Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW
NUT,PLAIN,EXTENDED WASHER,HEXAGO. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-166-8341, 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
31 WLF 51618
NSN:5310-00-166-8341 FSC:5310 CAGE:82465 — MAC LEAN FOGG LOCK NUT CO (USA)
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FREQUENTLY ASKED QUESTIONS
What is 31 WLF 51618?
31 WLF 51618 is a NUT,PLAIN,EXTENDED WASHER,HEXAGO.
What parts can replace 31 WLF 51618?
There are 20 known substitutes for 31 WLF 51618: RN70M114500300B0100, 219-0389, 131-937 and 17 more. Substitute compatibility should be verified for your specific system.
Is 31 WLF 51618 still available?
31 WLF 51618 is currently cancelled.
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