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 NUT BLANK 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 5310-01-573-4797, 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
AN81B-6D
NSN:5310-01-573-4797 FSC:5310 CAGE:56529 — HYDRAULICS INTERNATIONAL, INC. DBA HYDRAULICS INTERNATIONAL INC (USA)
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FREQUENTLY ASKED QUESTIONS
What is AN81B-6D?
AN81B-6D is a NUT BLANK.
What parts can replace AN81B-6D?
There are 2 known substitutes for AN81B-6D: AN818-6D, 8176561. Substitute compatibility should be verified for your specific system.
What is the NSN for AN81B-6D?
AN81B-6D is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-573-4797. This indicates validated use in U.S. government and defense supply chains.
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