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Datasheet. MIL-F-18866 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2a 1st end
The maximum temperature at which the item is rated to operate for an extended period of time.
250.0 deg fahrenheit 1st response
The maximum temperature at which the item is rated to operate for an extended period of time.
250.0 deg fahrenheit 2nd response
The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
flareless (tube) 1st end
The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
plain (pipe) 2nd end
Indicates the type of connection/s/.
threaded external pipe 2nd end
Indicates the type of connection/s/.
threaded external tube 1st end
A designation that is used for the purpose of general identification of the thread.
0.375in. 2nd end ⁓2-1/64"
A designation that is used for the purpose of general identification of the thread.
0.438in. 1st end ⁓1/64"
The angle of the end surface upon which the mated surface seats.
12.0 degrees 1st end
The nominal length of a straight line which passes through the center of the accommodated tube,and terminates at the outside circumference.
0.250in. 1st end
The nominal dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
33.8 mm
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 302 or steel comp 347
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
66 fed std all material responses
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.
passivate
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
QQ-P-35 fed spec single treatment response
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
nptf 2nd end
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unf 1st end
The name and number of those parts furnished with the item of supply that have not been specified elsewhere.
1 tube coupling nut w/sleeve
The document designator of the specification or standard which established the item of supply.
81349-MIL-F-18866 government specification and 81343-SAE080102 professional/industrial association standard and 81343-J514 professional/industrial association standard
The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.
2 class and 1 type and 1 style
Answers.
1EA
Unf 1st end
Nptf 2nd end
Steel comp 302 or steel comp 347
2a 1st end
Schedule B number: 7307994000
nmfc 052190
Other fittings nesoi of alloy steel not stainless
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 4730-01-091-8031 ADAPTER,STRAIGHT,PIPE TO TUBE
unf 1st end thread series passivate surface treated 2a 1st end thread class
- NIIN
- 010918031
- NIIN Date
- 03/13/80
- Schedule B
- 7307994000
- Name Code
- 03776
- FIIG
- A080B0
- Item Weight
- 0.200lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $16.33 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. | 1551AS341-1 | Cage 30003 |
| 2. | 4-6FBU-SS | Cage 30780 |
| 3. | 039-46218 | Cage 9F512 |
| 4. | 4-6FUSS | Cage 30780 |
| 5. | 4-6 080102SA | Cage 81343 |
| 6. | 6138952-79 | Cage 80091 |
| 7. | 4-6FUSS | Cage 98441 |
| 8. | 6138952 | Cage 80091 |
| 9. | 4-6FBU-SS | Cage 98441 |
Major End Users Countries and entities
- - Department of The Air Force
- - Department of The Navy
- - U.s. Marine Corps
Availability for MIL-F-18866 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)
- Rating variable
- 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)
- 052190 PIPE,TUBING,OR PIPE OR TUBING FITTI
- UFC (universal freight code)
- 30000
Similar by Design Other adapters with similar characteristics
Nothing similar to this part number was found in our inventory
MIL-F-18866 / Adapter,straight,pipe to tubeWhat is the formal definition of this item?
An adapter having standard pipe threads on one end or an unthreaded end designed to accommodate a pipe. the other end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. it is designed to join a pipe or pipe fitting to a tube or tube fitting in a straight line.
