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PartsTable / COMPONENT / 12759-00536
12759-00536 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
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,LOCK is a the manufacturer industrial component. Key specifications include special_features: MATERIAL THICKNESS: 2.4 MIN - 2.8 MAX; MATERIAL : 18-8 STANLESS STEEL NAVISTAR SPEC A-37, end_item_identification: MRAP - COMMON NSN - USED ON MAXXPRO CAT I AND 1 OTHER WEAPON SYSTEM, part_name_assigned_by_controlling_agency: WASHER,GRAB HNDL MTG M8. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-556-5967, 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
12759-00536
NSN: 5310-01-556-5967
FSC: 5310
CAGE: 0Y3H3 — FASTENAL COMPANY DBA FASTENAL CO (USA)
SPECIFICATIONS
special_featuresMATERIAL THICKNESS: 2.4 MIN - 2.8 MAX; MATERIAL : 18-8 STANLESS STEEL NAVISTAR SPEC A-37
end_item_identificationMRAP - COMMON NSN - USED ON MAXXPRO CAT I AND 1 OTHER WEAPON SYSTEM
part_name_assigned_by_controlling_agencyWASHER,GRAB HNDL MTG M8
NSN5310-01-556-5967
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12759-00536 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESMATERIAL THICKNESS: 2.4 MIN - 2.8 MAX; MATERIAL : 18-8 STANLESS STEEL NAVISTAR SPEC A-37
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER,GRAB HNDL MTG M8
END ITEM IDENTIFICATIONMRAP - COMMON NSN - USED ON MAXXPRO CAT I AND 1 OTHER WEAPON SYSTEM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
49372HInterchangeable
interchangeable cross-reference
interchangeable
137178Interchangeable
interchangeable cross-reference
interchangeable
266697Interchangeable
interchangeable cross-reference
interchangeable
40252Interchangeable
interchangeable cross-reference
interchangeable
4025Interchangeable
interchangeable cross-reference
interchangeable
13T461-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12759-00536?
12759-00536 is a WASHER,LOCK.
What parts can replace 12759-00536?
There are 13 known substitutes for 12759-00536: 49372H, 137178, 266697 and 10 more. Substitute compatibility should be verified for your specific system.
Is 12759-00536 still available?
12759-00536 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026