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1650407-7 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1650407-7: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-00-582-6300, 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
1650407-7
NSN: 5310-00-582-6300
FSC: 5310 — Nuts and Washers
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
Part Number1650407-7
NSN5310-00-582-6300
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1650407-7 · 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 6
001-0451-18Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
SS1-12Reference document
Same NSN cross-reference
Reference document — Secondary reference
DB4D7Reference document
Same NSN cross-reference
Reference document — Secondary reference
10594609-15Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
212754Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
9336C5007Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1650407-7?
1650407-7 is a WASHER,FLAT.
What parts can replace 1650407-7?
There are 6 known substitutes for 1650407-7: 001-0451-18, SS1-12, DB4D7 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1650407-7?
1650407-7 is cataloged in the U.S. Government catalog under NSN 5310-00-582-6300. 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.