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,FLAT is a the manufacturer industrial component. Key specifications include end_item_identification: MRAP - COMMON NSN - USED ON MAXXPRO CAT I AND 1 OTHER WEAPON SYSTEM; MRAP - COUGAR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-556-6649, 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
12759-00583
NSN:5310-01-556-6649 FSC:5310 CAGE:0Y3H3 — FASTENAL COMPANY DBA FASTENAL CO (USA)
SPECIFICATIONS
end_item_identification
MRAP - COMMON NSN - USED ON MAXXPRO CAT I AND 1 OTHER WEAPON SYSTEM; MRAP - COUGAR
NSN
5310-01-556-6649
COMPONENT DIAGRAM
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION
MRAP - COMMON NSN - USED ON MAXXPRO CAT I AND 1 OTHER WEAPON SYSTEM; MRAP - COUGAR