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,LOCK is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-337-8329, 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
7731223P72
NSN:5310-00-337-8329 FSC:5310 CAGE:94271 — LOCKHEED MARTIN CORP (USA)
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FREQUENTLY ASKED QUESTIONS
What is 7731223P72?
7731223P72 is a WASHER,LOCK.
What parts can replace 7731223P72?
There are 27 known substitutes for 7731223P72: C110, SPG1005CP, SPG1005 and 24 more. Substitute compatibility should be verified for your specific system.
Is 7731223P72 still available?
7731223P72 is currently cancelled.
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