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,FLAT is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-174-1519, 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
4537769-622
NSN:5310-01-174-1519 FSC:5310 CAGE:S3465 — BAE SYSTEMS HAGGLUNDS AB (SWE)
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FREQUENTLY ASKED QUESTIONS
What is 4537769-622?
4537769-622 is a WASHER,FLAT.
What parts can replace 4537769-622?
There are 5 known substitutes for 4537769-622: 621-16749, 13205E4789, 300-17 and 2 more. Substitute compatibility should be verified for your specific system.
Is 4537769-622 still available?
4537769-622 is currently cancelled.
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