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Datasheet. 3139940 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3b first mounting facility
The length of a straight line which passes through the center of an unthreaded mounting hole,and terminates at the circumference.
0.218in. second mounting facility
Indicates the type and number of facilities by which the item is mounted.
2 unthreaded hole second mounting facility
Indicates the type and number of facilities by which the item is mounted.
4 threaded hole first mounting facility
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
20 first mounting facility
A designation that is used for the purpose of general identification of the thread.
0.2503in. first mounting facility ⁓17/64"
The chemical compound or mechanical mixture properties of which the item is fabricated.
aluminum alloy 356.0
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unc first mounting facility
Answers.
Unc first mounting facility
Aluminum alloy 356.0
20 first mounting facility
3b first mounting facility
Schedule B number: 8538907080
Parts suitable for use solely or principally with the apparatus for heading 8535, 8536,8537
FSC 5930 ⁓ Switches
Excluding switchgear.
NSN 5930-01-594-5356 RETAINER,ELECTRICAL SWITCH
unc first mounting facility thread series 20 first mounting facility thread quantity per inch 3b first mounting facility thread class
- NIIN
- 015945356
- NIIN Date
- 04/25/11
- Schedule B
- 8538907080
- Name Code
- 38943
- FIIG
- A062A0
- 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
Major End Users Countries and entities
- - Republic of Korea
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3139940 / Retainer,electrical switchWhat is the formal definition of this item?
An item designed to position and/or restrain the movement of one or more switches in their normal operating positions.
