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Datasheet. A-7581 specification
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
1.410in. ⁓1-27/64"
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
18
A designation that is used for the purpose of general identification of the thread.
0.562in. ⁓9/16"
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.
self closing electric; alum alloy heat treated; anodized per MIL-C-5541
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
Answers.
Unf
18
Schedule B number: 9027803500
Physical analysis instruments and apparatus, except using optical radiations
FSC 2995 ⁓ Miscellaneous engine accessories, aircraft
Note-items classified in this class must be specifically designed for use with aircraft or quided missile primemovers only.
Excluding exhaust system; (fsc 1560); jet engine hydraulic reservoirs (fsc 2840); jet engine oil tanks (fsc 2840); electrical starters (fsc 2925); cockpit mounted control quadrants (fsc 1680); aircraft engine covers (fsc 1730).
NSN 2995-01-074-4090 DETECTOR,METALLIC PARTICLE
unf thread series self closing electric; alum alloy heat treated; anodized per mil-c-5541 18 thread quantity per inch 1.410" overall length
- NIIN
- 010744090
- NIIN Date
- 03/30/79
- Schedule B
- 9027803500
- Name Code
- 31902
- FIIG
- A520Y0
- DEMIL / ITAR
- USML/ITAR controlled item (Code: B)
- 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
- - New Zealand
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A-7581 / Detector,metallic particleWhat is the formal definition of this item?
A sensing device designed to detect the presence of metallic foreign matter in fuel, hydraulic, or lubricating systems. detection completes an integral electrical circuit that actuates an external signal and/or actuate the engine to stop.
