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 under NSN 5310-00-804-0141, 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
525-1SS
NSN:5310-00-804-0141 FSC:5310 CAGE:19315 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS FORMER BENDIX NAVIGATION AND CONTROL SYSTEMS (USA)
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FREQUENTLY ASKED QUESTIONS
What is 525-1SS?
525-1SS is a WASHER,FLAT.
What parts can replace 525-1SS?
There are 21 known substitutes for 525-1SS: 7HA12106, 637400, 945-4P and 18 more. Substitute compatibility should be verified for your specific system.
Is 525-1SS still available?
525-1SS is currently cancelled.
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