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D-42101 PIECE 28 — LOCKNUT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

D-42101 PIECE 28: LOCKNUT.

The LOCKNUT is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-184-7595, 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
D-42101 PIECE 28
NSN: 5310-01-184-7595
FSC: 5310 — Nuts and Washers
CAGE: 31923 — TODD COMBUSTION INC (USA)
SPECIFICATIONS
Part NumberD-42101 PIECE 28
NSN5310-01-184-7595
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: D-42101 PIECE 28 · 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
SUBSTITUTES & CROSS-REFERENCES 2
N-47501 SHT II PC100Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
N47500 PIECE 4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D-42101 PIECE 28?
D-42101 PIECE 28 is a LOCKNUT.
What parts can replace D-42101 PIECE 28?
There are 2 known substitutes for D-42101 PIECE 28: N-47501 SHT II PC100, N47500 PIECE 4. Substitute compatibility should be verified for your specific system.
What is the NSN for D-42101 PIECE 28?
D-42101 PIECE 28 is cataloged in the U.S. Government catalog under NSN 5310-01-184-7595. This indicates validated use in U.S. government and defense supply chains.
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