Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW
The WASHER,SEAL is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-528-9373, indicating validated use in U.S.
government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.
WHERE IT FITS
975-180 ITEM 7
NSN:5310-01-528-9373 FSC:5310 CAGE:30793 — INSINGER MACHINE CO (USA)
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FREQUENTLY ASKED QUESTIONS
What is 975-180 ITEM 7?
975-180 ITEM 7 is a WASHER,SEAL.
What parts can replace 975-180 ITEM 7?
There are 4 known substitutes for 975-180 ITEM 7: 9549, DW331K, 4372 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 975-180 ITEM 7?
975-180 ITEM 7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-528-9373. This indicates validated use in U.S. government and defense supply chains.
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