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PartsTable / COMPONENT / D2149 ITEM 79
D2149 ITEM 79 ✓ 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. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-524-0130, 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
D2149 ITEM 79
NSN: 5310-01-524-0130
FSC: 5310
CAGE: 28953 — RIX INDUSTRIES (USA)
SPECIFICATIONS
Part NumberD2149 ITEM 79
NSN5310-01-524-0130
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: D2149 ITEM 79 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
7051Interchangeable
interchangeable cross-reference
interchangeable
17733Interchangeable
interchangeable cross-reference
interchangeable
53-27Interchangeable
interchangeable cross-reference
interchangeable
503-9633-002Interchangeable
interchangeable cross-reference
interchangeable
20D87418Interchangeable
interchangeable cross-reference
interchangeable
53927Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D2149 ITEM 79?
D2149 ITEM 79 is a NUT,PLAIN,HEXAGON.
What parts can replace D2149 ITEM 79?
There are 12 known substitutes for D2149 ITEM 79: 7051, 17733, 53-27 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D2149 ITEM 79?
D2149 ITEM 79 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-524-0130. 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