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 5249-178 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 5310-01-243-7279, 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
5249-178
NSN:5310-01-243-7279 FSC:5310 CAGE:05869 — RAYTHEON COMPANY DIV RMD STRATEGIC (USA)
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FREQUENTLY ASKED QUESTIONS
What is 5249-178?
5249-178 is a 5249-178.
What parts can replace 5249-178?
There are 12 known substitutes for 5249-178: 16636, 3022916-183-1, 107931 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5249-178?
5249-178 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-243-7279. This indicates validated use in U.S. government and defense supply chains.
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