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 LOCKNUT 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 5310-00-735-6609, 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
H546-4PC155
NSN:5310-00-735-6609 FSC:5310 CAGE:34228 — L3 TECHNOLOGIES, INC. DIV L3 KEO (USA)
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FREQUENTLY ASKED QUESTIONS
What is H546-4PC155?
H546-4PC155 is a LOCKNUT.
What parts can replace H546-4PC155?
There are 20 known substitutes for H546-4PC155: 2966, 202-08-21, A-A-59193 CLA and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H546-4PC155?
H546-4PC155 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-735-6609. This indicates validated use in U.S. government and defense supply chains.
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