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27343R1 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

27343R1: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-189-8385, 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
27343R1
NSN: 5310-01-189-8385
FSC: 5310 — Nuts and Washers
CAGE: 338X5 — ND DEFENSE LLC (USA)
SPECIFICATIONS
Part Number27343R1
NSN5310-01-189-8385
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 27343R1 · 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 9
120396Reference document
Same NSN cross-reference
Reference document — Secondary reference
103343Reference document
Same NSN cross-reference
Reference document — Secondary reference
33847Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
25710R1Reference document
Same NSN cross-reference
Reference document — Secondary reference
ESP-F-16.104-PPReference document
Same NSN cross-reference
Reference document — Drawing number reference only
ESP-EM-58.121-PPReference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 27343R1?
27343R1 is a WASHER,FLAT.
What parts can replace 27343R1?
There are 9 known substitutes for 27343R1: 120396, 103343, 33847 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 27343R1?
27343R1 is cataloged in the U.S. Government catalog under NSN 5310-01-189-8385. 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.