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Datasheet. AN818-4D specification
Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3b
Thread Direction
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.
RIGHT-Hand
Fabrication Method
The process used in manufacturing the item.
The process used in manufacturing the item.
any acceptable
Nut Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.
tube coupling
Nut Height
0.620in. ⁓5/8"
End Item Identification
The national stock number or the identification information of the end equipment for which the item is a part.
The national stock number or the identification information of the end equipment for which the item is a part.
B-1 aircraft support equipment. B-52 aircraft support equipment. TF33-P-3/5/9 (c/EC-135, B-52H) aircraft engine. H-3 helicopter support equipment.
Width Across Flats
The shortest straight line between flats,perpendicular to the height.
The shortest straight line between flats,perpendicular to the height.
0.563in. ⁓37/64"
Length To Shoulder
0.532in.
Smallest Inside Diameter
The smallest length of a straight line which passes through the center of the two surfaces of a circular item,and terminates at the inside circumference.
The smallest length of a straight line which passes through the center of the two surfaces of a circular item,and terminates at the inside circumference.
0.305in.
Thread Series
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.
unf
Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
20
Nominal Thread Size
A designation that is used for the purpose of general identification of the thread.
A designation that is used for the purpose of general identification of the thread.
0.438in. ⁓29/64"
Nominal Tube Outside Diameter
The nominal length of a straight line which passes through the center of a tube,and terminates at the outside circumference.
The nominal length of a straight line which passes through the center of a tube,and terminates at the outside circumference.
0.250in.
Criticality Code Justification
The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.
The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.
feat
Special Features
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.
weapon system essential. grumman A-10 aircraft
Material
The chemical compound or mechanical mixture properties of which the item is fabricated.
The chemical compound or mechanical mixture properties of which the item is fabricated.
aluminum alloy
Surface Treatment
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
anodize
Answers.
What material is the tube coupling nut made of ?
Aluminum alloy
What is the thread quantity per inch?
20
What is the thread direction?
Right-hand
What is the thread class?
3b
How is this classified for shipping?
Schedule B number: 7609000000
nmfc 013540
Aluminum tube or pipe fittings (couplings,elbows sleeves)
What's the federal classification of AN818-4D?
FSC 4730 ⁓ Hose, pipe, tube, lubrication, and railing fittings
Excluding air conditioning-heating fittings (fsc 4520); bituminized fiber and concrete fittings (fsc 5630); conduit boxes and fittings (fsc 5975); downspout fittings (fsc 5670); medical and surgical fittings (fsc 6515); laboratory fittings (fsc 6640); post caps and rail ends (fsc 5660); machine thread bushings and plugs (fsc 5365).
NSN 4730-00-287-0289 NUT,TUBE COUPLING
Used on b-1 aircraft support equipment. b-52 aircraft support equipment. tf33-p-3/5/9 (c/ec-135, b-52h) aircraft engine. h-3 helicopter support equipment.. anodize surface treated weapon system essential. grumman a-10 aircraft 20 thread quantity per inch right-hand 3b thread class
- NIIN
- 002870289
- NIIN Date
- 01/01/61
- Schedule B
- 7609000000
- Name Code
- 03859
- FIIG
- A021A0
- Item Weight
- 0.200lbs
- Item Dimensions
- QUP
- Historical Price
- $5.18 EA
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- No precious metals
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
Other Part Numbers Parts with same form, fit, and function by other manufacturers
| 1. | AN818-40 | Cage 88044 |
| 2. | AN818-4DL | Cage 88044 |
| 3. | AN818D4 | Cage 88044 |
| 4. | MILF5509A | Cage 81349 |
| 5. | 290-4D | Cage 00624 |
| 6. | 720335-4 | Cage 56232 |
| 7. | 8176560 | Cage 18876 |
| 8. | 272-1021P9 | Cage 49956 |
| 9. | 21004 | Cage 019L2 |
| 10. | 946.29.85.203 | Cage S4080 |
| 11. | 3110242 | Cage 001JK |
| 12. | 477 612 | Cage 77294 |
| 13. | 416775-3 | Cage 96214 |
| 14. | Z00.N7230061453 | Cage F0086 |
| 15. | 3110242 | Cage FB459 |
| 16. | NK818-4D | Cage 03038 |
| 17. | 290-4D | Cage R1120 |
| 18. | D58126-4-19 | Cage 80086 |
| 19. | 263-0042-88 | Cage 93568 |
| 20. | 00263-0042-88 | Cage 93568 |
| 21. | 21004 | Cage 72962 |
| 22. | 3110242 | Cage S4956 |
| 23. | 10108346 | Cage A486G |
| 24. | 263-013-4320 | Cage 95542 |
| 25. | 4730002870289 | Cage SCY13 |
| 26. | C8175450 | Cage 18876 |
| 27. | 731857-104 | Cage 56232 |
Major End Users Countries and entities
- - National Aeronautics And Space Administration
- - National Aeronautics And Space Administration
- - National Aeronautics And Space Administration
- - National Aeronautics And Space Administration
- - Department of The Navy
- - Department of The Army
- - U.s. Marine Corps
- - Department of The Air Force
- - Federal Aviation Administration
- - U.s. Coast Guard
- - Austria
- - Finland
- - Lithuania
- - Poland
- - Bulgaria
- - Brazil
- - Spain
- - Israel
- - Singapore
- - Kuwait
- - Morocco
- - Malaysia
- - Australia
- - Belgium
- - Canada
- - New Zealand
- - France
- - Germany
- - Republic of Korea
- - United Kingdom
- - Netherlands
- - Portugal
- - Italy
- - Denmark
- - Norway
- - Greece
- - Turkey
- - Nato Maintenance And Supply Agency
Major End Items End use applications
- - B-1 aircraft support equipment. b-52 aircraft support equipment. tf33-p-3/5/9 (c/ec-135, b-52h) airc
- - Aircraft, eagle f-15
- - Support equipment, h-3 helicopter
- - Support equipment, b-52 aircraft
- - Support equipment, b-1 aircraft
- - Gun, 5-in./54 cal, mk-45
- - Aircraft, sof ( ac-130h, mc-130h, ec-130e, hc-130)
- - Engine, aircraft tf33-pw-102 (c-135e, ec-135h/k/p)
- - Engine, aircraft tf33-p-3/5/9 (c/ec-135, b-52h)
- - Missile, air-to-air, phoenix (aim-54)
- - Missile, air intercept, sidewinder (aim-9)
- - Oh 58d ahip (army helicopter improvement program) helicopter
- - Helicopter,attack
- - Helicopter,attack
- - Helicopter,observation
- - Tube assembly,metal
- - Tube assembly,metal
- - Filter-separator,liquid fuel
- - Duct assembly,air conditioning-heating,aircraft
- - Tube assembly,metal
- - Tube assembly,metal
- - Tube assembly,metal
- - Tube assembly,metal
- - Tube assembly,metal
- - Tube assembly,metal
- - Tube assembly,metal
- - Tube assembly,metal
- - Tube assembly,metal
- - Tube assembly,metal
- - Tube assembly,metal
- - Tube assembly,metal
- - Tube assembly,metal
- - Drive unit,hydraulic
- - Tube assembly,metal
- - Engine,gas turbine,nonaircraft
- - Tube assembly,metal
- - Tube assembly,metal
- - Tube assembly,metal
- - Tube assembly,metal
- - Tube assembly,metal
- - Tube assembly,metal
- - Tube assembly,metal
- - Tube assembly,metal
- - Tube assembly,metal
- - Refrigeration unit,air cycle,aircraft
- - Valve,butterfly
- - Drive unit,hydraulic
- - Drive unit,hydraulic
- - Tube assembly,metal
- - Tube assembly,metal
- - Tube assembly,metal
- - Drive unit,hydraulic
- - Cable assembly,special purpose,electrical,branched
- - Drive unit,hydraulic
- - Duct assembly,bleed air
- - Regulator,air pressure,aircraft cabin
- - Tube assembly,metal
- - Tubing assembly,nonmetallic
- - Tubing assembly,nonmetallic,rigid
- - Tube assembly,metal
- - Tube assembly,metal
- - Tube,bent,metallic
- - Helicopter,observation
- - Radar set subassembly
- - Receiver-transmitter,radar
- - Connector,receptacle,electrical
- - Truck,tank
- - Tube assembly,metal
- - Tube assembly,metal
- - Duct assembly,air conditioning-heating,aircraft
- - Truck,tank
- - Tube assembly,metal
- - Canopy,fixed
- - Connector,plug,electrical
- - Connector,receptacle,electrical
- - Drive assembly,electrohydraulic,ammunition feed
- - Panel,power distribution
- - Test stand,hydraulic system components
- - Duct assembly,air conditioning-heating,aircraft
- - Tank,fuel,aircraft
- - Valve,butterfly
- - Helicopter,attack
- - Helicopter,attack
- - Helicopter,cargo-transport
- - Cord assembly,detonating
- - Cord assembly,detonating
- - Display unit,head-up
- - Truck,tank
- - Tank,fuel,aircraft
- - Tube assembly,metal
- - Test set,pneumatic system components
- - Compressor unit,rotary
- - Test set,automatic pilot
- - Regulator,air pressure,aircraft cabin
- - Test stand,engine,semitrailer mounted
- - Valve,butterfly
- - Valve,butterfly
- - Rack,electrical equipment
- - Valve,float,aircraft fuel tank
- - Test stand,propelle
- - Test stand,filter e
- - Tube assembly,metal
- - Door,aircraft
- - Regulator,air pressure,aircraft cabin
- - Valve assembly,environmental control,aircraft
- - Calibrator,pressure
- - Regulator,air pressure,aircraft cabin
- - Helicopter,attack
- - Indicator,vertical velocity
- - Test stand,electric and hydraulic system components
- - Test set,aircraft engine
- - Tube assembly,metal
- - Tube assembly,metal
- - Tube assembly,metal
- - Valve assembly,environmental control,aircraft
- - Tube assembly,metal
- - Test stand,oil temperature control valve
- - Test set,indicator
- - Compressor unit,reciprocating
- - Nozzle,monitor type,fire fighting
- - Bell crank
- - Nozzle assembly,fir
- - Housing,aircraft na
- - Door,aircraft
- - Transmitter,radar
- - Connector,plug,electrical
- - Tank,fuel,aircraft
- - Combustible gas indicator set,portable
- - Indicator,vertical velocity
- - Indicator,vertical velocity
- - Tube assembly,metal
- - Tube assembly,metal
- - Tube assembly,metal
- - Test set,pneumatic system components
- - Test set subassembly,aircraft components
- - Regulator,air pressure,aircraft cabin
- - Panel,interface device
- - Tube assembly,metal
- - Tube assembly,metal
- - Tube assembly,metal
- - Tube assembly,metal
- - Tube assembly,metal
- - Tube assembly,metal
- - Tube assembly,metal
- - Tube assembly,metal
- - Carrier,personnel,full tracked
Availability for AN818-4D A member of our team will provide you with a price and availability quote
Request a Quote »Shipping Information
- Special Handling
- Other or no special handling required (sh)
- LTL (less than a truck load rating)
- 70.0
- LCL (less than a car load rating)
- Unknown
- Special Cargo
- No special type of cargo code applicable
- Air Freight (Minimum cargo door size required)
- Shipment is not a consolidation and does not exceed 84 inches in any dimension.
- Customs Requirement Classification
- Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
- Commodity (for shipments via water)
- Metal and metal products, nos, (less than 35 feet)
- NMFC (national motor freight code)
- 013540 ALUM NUTS
- UFC (universal freight code)
- 05680
Similar by Design Other nuts with similar characteristics
Nothing similar to this part number was found in our inventory
AN818-4D / Nut,tube couplingWhat is the formal definition of this item?
An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. excludes nut (1), tube coupling, reducing; and nut (1), union.
