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Datasheet. 1B4942 specification
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 dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
2.835in. and 2.865in. ⁓2-7/8"
Designates the thread diameter and number of threads per specific measurement scale.
1/4-28
The national stock number or the identification information of the end equipment for which the item is a part.
aircraft; engine; C17
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.
unjf
The length of a straight line which passes through the center of the tubing,and terminates at the outside circumference.
0.125in.
Indicates the type of end connection.
threaded
Indicates the location of the screw thread.
internal
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.
surface treatment per spec pwa 388; both ends thd'd 0.250-28UNJF-3B; 4 holes 0.067-0.057in.; pratt and whitney will not release drawings
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.
steel, ams 5645
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 321
Answers.
Steel comp 321
Right-hand
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 4730-01-399-1531 TAILPIECE,UNION
Used on aircraft; engine; c17. surface treatment per spec pwa 388; both ends thd'd 0.250-28unjf-3b; 4 holes 0.067-0.057in.; pratt 2.835" overall length right-hand
- NIIN
- 013991531
- NIIN Date
- 11/17/94
- Schedule B
- Name Code
- 04135
- FIIG
- T385-Q
- Item Weight
- 0.000lbs
- Item Dimensions
- QUP
- Historical Price
- $176.08 EA
- DEMIL / ITAR
- USML/ITAR controlled item (Code: Q)
- 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
Major End Users Countries and entities
- - Department of The Air Force
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- 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 tailpieces with similar characteristics
Nothing similar to this part number was found in our inventory
1B4942 / Tailpiece,unionWhat is the formal definition of this item?
A fitting used with a union nut and thread piece to form a union.
