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Technical Data Sheet
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2302923 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2302923: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-00-531-9514, 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
2302923
NSN: 5310-00-531-9514
FSC: 5310 — Nuts and Washers
CAGE: FB459 — EMBRAER AVIATION INTERNATIONAL (FRA)
SPECIFICATIONS
Part Number2302923
NSN5310-00-531-9514
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2302923 · 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 8
5310PL1389543Reference document
Same NSN cross-reference
Reference document — Informative reference only
W-2020Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5310005319514Reference document
Same NSN cross-reference
Reference document — Informative reference only
AN960C6Reference document
Same NSN cross-reference
Reference document — Informative reference only
122-5277668 ITEM 58Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
911287Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2302923?
2302923 is a WASHER,FLAT.
What parts can replace 2302923?
There are 8 known substitutes for 2302923: 5310PL1389543, W-2020, 5310005319514 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2302923?
2302923 is cataloged in the U.S. Government catalog under NSN 5310-00-531-9514. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.