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12488879 ✓ 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 NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include end_item_identification: ARMOR KITS FMTV; FAMILY MEDIUM TACTICAL VEHICLES, part_name_assigned_by_controlling_agency: NUT TOGLGLE SWITCH 15/32 IN THREAD IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-525-0713, 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
12488879
NSN: 5310-01-525-0713
FSC: 5310
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
end_item_identificationARMOR KITS FMTV; FAMILY MEDIUM TACTICAL VEHICLES
part_name_assigned_by_controlling_agencyNUT TOGLGLE SWITCH 15/32 IN THREAD IN
NSN5310-01-525-0713
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12488879 · 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)
END ITEM IDENTIFICATIONARMOR KITS FMTV; FAMILY MEDIUM TACTICAL VEHICLES
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT TOGLGLE SWITCH 15/32 IN THREAD IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
MS51068-40Interchangeable
interchangeable cross-reference
interchangeable
44210Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-11040Interchangeable
interchangeable cross-reference
interchangeable
732185-1Interchangeable
interchangeable cross-reference
interchangeable
4-40NCX3-8SKTFLHDCRESInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12488879?
12488879 is a NUT,PLAIN,HEXAGON.
What parts can replace 12488879?
There are 5 known substitutes for 12488879: MS51068-40, 44210, MIL-DTL-11040 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12488879?
12488879 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-525-0713. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026