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Datasheet. 81-LB-16 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2a
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
The process used in manufacturing the item.
bar stock, machined
Indicates whether or not a ferrous alloy object has been subjected to a process whereby the outer portion is made substantially harder than the inner portion or core.
not casehardened
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
0.766in. ⁓49/64"
Designates the thread diameter and number of threads per specific measurement scale.
1/2-20
The length of a straight line which passes through the center of the tube for which designed,and terminates at the outside circumference.
0.313in.
The national stock number or the identification information of the end equipment for which the item is a part.
kxa crane, shovel trk mtd; 20-ton w/boom M20, M320T2, M20B
A designation distinguishing one group of screw thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unf
The shortest straight line between flats,perpendicular to the height.
0.500in. ⁓1/2"
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.
0.313in.
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.
brass, sae 72 or brass, sae 88
The chemical compound or mechanical mixture properties of which the item is fabricated.
copper alloy 360 or copper alloy 377
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
sae 72 assn std 1st material response and sae 88 assn std 2nd material response
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
inverted nut, tube, double compression
Answers.
1EA
Inverted nut, tube, double compression
Copper alloy 360 or copper alloy 377
Right-hand
2a
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 4730-00-540-4142 INVERTED NUT,TUBE COUPLING
Used on kxa crane, shovel trk mtd; 20-ton w/boom m20, m320t2, m20b. inverted nut, tube, double compression 0.766" overall length right-hand 2a thread class
- NIIN
- 005404142
- NIIN Date
- 01/01/63
- Schedule B
- Name Code
- 03857
- FIIG
- T385-B
- Item Weight
- 0.000lbs
- Item Dimensions
- 10 X 8 X 8
- QUP
- 1
- Historical Price
- $1.65 EA
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- Metal content unknown
- 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. | 61HD-16 | Cage 93061 |
| 2. | 27105P | Cage 13174 |
| 3. | 29899D | Cage 00447 |
| 4. | 27105P | Cage 30327 |
| 5. | 29899D | Cage 29510 |
| 6. | 29899D | Cage 92679 |
| 7. | 29899D | Cage 31007 |
| 8. | 369989R1 | Cage 31007 |
Major End Users Countries and entities
- - Department of The Army
- - Department of The Air Force
- - Greece
- - Turkey
Availability for 81-LB-16 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 hardware
- NMFC (national motor freight code)
- 093460 BOLTS/NUTS NOI BBC/ZINC
- UFC (universal freight code)
- 48930
Similar by Design Other inverted nuts with similar characteristics
Nothing similar to this part number was found in our inventory
81-LB-16 / Inverted nut,tube couplingWhat is the formal definition of this item?
An externally threaded fastening device which has an internal or external seat, designed to mate with the seat of an internally threaded tube fitting for the purpose of securing the tube to the fitting to form a leakproof connection.
