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Datasheet. A4757 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2a external
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 external
A measurement from the bottom to the top of the head,in distinction from depth.
0.312in. ⁓5/16"
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
1.312in. ⁓1-5/16"
The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
plain
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
14 external
A designation that is used for the purpose of general identification of the thread.
1.063in. external ⁓1-5/64"
The angle of the end surface upon which the mated surface seats.
45.0 degrees
The chemical compound or mechanical mixture properties of which the item is fabricated.
copper alloy
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
plug, tube fitting flared (note: drilled hole is optional should not be considered as a separating characteristic
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 external
Answers.
Unf external
Plug, tube fitting flared (note: drilled hole is optional should not be considered as a separating characteristic
Copper alloy
14 external
Right-hand external
2a external
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 4730-00-905-8700 PLUG,TUBE FITTING,THREADED
unf external thread series plug, tube fitting flared (note: drilled hole is optional should not be considered as a separating characteristic 14 external thread quantity per inch 1.312" overall length right-hand external 2a external thread class
- NIIN
- 009058700
- NIIN Date
- 01/01/60
- Schedule B
- Name Code
- 28613
- FIIG
- A208A0
- 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
Major End Users Countries and entities
- - National Aeronautics And Space Administration
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A4757 / Plug,tube fitting,threadedWhat is the formal definition of this item?
A tube fitting with external threads other than pipe or hose series having an internal or external seating surface. the seating surface is designed to form a seal when mated with other tube fittings to retain fluids under pressure during equipment operation. for items without a specific seating surface which are designed to utilize a gasket or packing under the head for forming a seal, see plug, machine thread.
