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402307 — WASHER,LOCK

✓ Government record, cited
Ricoh · NUT WASHER
PRODUCT OVERVIEW

402307: WASHER,LOCK.

The only answer for optimum, precise performance of your Ricoh equipment - genuine Ricoh supplies. They are formulated specifically to work with Ricoh office machines. Genuine Ricoh supplies ensure outstanding copy clarity and machine reliability in even the most demanding environments.

Don't let unauthorized supplies affect the quality of your presentation with blurry images or poor copy quality. Genuine Ricoh supplies assure you of maximum machine efficiency and consistent product yield. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-654-7656, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
402307
NSN: 5310-01-654-7656
FSC: 5310 — Nuts and Washers
CAGE: 05606 — GENERAL DYNAMICS-OTS, INC. DIV ORDNANCE AND TACTICAL SYSTEMS (USA)
SPECIFICATIONS
Part Number402307
ManufacturerRicoh
NSN5310-01-654-7656
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 402307 · Ricoh ⚠ 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 402307?
402307 is a WASHER,LOCK manufactured by Ricoh.
What is the NSN for 402307?
402307 is cataloged in the U.S. Government catalog under NSN 5310-01-654-7656. 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.