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SGS1165 — WASHER,CONCAVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

SGS1165: WASHER,CONCAVE.

The WASHER,CONCAVE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-204-3238, 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
SGS1165
NSN: 5310-01-204-3238
FSC: 5310 — Nuts and Washers
CAGE: K1294 — GKN AEROSPACE SERVICES LTD (GBR)
SPECIFICATIONS
Part NumberSGS1165
NSN5310-01-204-3238
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SGS1165 · 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
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 3
119-5749376 FIND 66Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5750388-001Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
119-5749340 FIND 32Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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 SGS1165?
SGS1165 is a WASHER,CONCAVE.
What parts can replace SGS1165?
There are 3 known substitutes for SGS1165: 119-5749376 FIND 66, 5750388-001, 119-5749340 FIND 32. Substitute compatibility should be verified for your specific system.
What is the NSN for SGS1165?
SGS1165 is cataloged in the U.S. Government catalog under NSN 5310-01-204-3238. 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.