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PartsTable / COMPONENT / 2D1511
2D1511 ✓ 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 2D1511 is a the manufacturer industrial component. Key specifications include end_item_identification: MRAP - COMMON NSN - USED ON 2 MRAP VARIANTS AND 4 OTHER WEAPON SYSTEMS.. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-943-4479, 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
2D1511
NSN: 5315-00-943-4479
FSC: 5315
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
end_item_identificationMRAP - COMMON NSN - USED ON 2 MRAP VARIANTS AND 4 OTHER WEAPON SYSTEMS.
NSN5315-00-943-4479
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2D1511 · 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 IDENTIFICATIONMRAP - COMMON NSN - USED ON 2 MRAP VARIANTS AND 4 OTHER WEAPON SYSTEMS.
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
303SZQ5A7Interchangeable
interchangeable cross-reference
interchangeable
303PFS381Interchangeable
interchangeable cross-reference
interchangeable
6303ARSInterchangeable
interchangeable cross-reference
interchangeable
BD309603Interchangeable
interchangeable cross-reference
interchangeable
309603Interchangeable
interchangeable cross-reference
interchangeable
7300DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2D1511?
2D1511 is a 2D1511.
What parts can replace 2D1511?
There are 12 known substitutes for 2D1511: 303SZQ5A7, 303PFS381, 6303ARS and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2D1511?
2D1511 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-943-4479. 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