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3905169 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3905169: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include thickness: 1.44 MILLIMETERS NOMINAL MM, peripheral_shape_style: ROUND, end_item_identification: 2420-66-148-7692, HMEE (HIGH MOBILITY ENGINEER EXCAVATOR); 3990-01-444-5196 CEMENT MIXER. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-191-7512, 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
3905169
NSN: 5310-01-191-7512
FSC: 5310 — Nuts and Washers
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
thickness1.44 MILLIMETERS NOMINAL MM
peripheral_shape_styleROUND
end_item_identification2420-66-148-7692, HMEE (HIGH MOBILITY ENGINEER EXCAVATOR); 3990-01-444-5196 CEMENT MIXER
NSN5310-01-191-7512
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3905169 · 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
KEY FEATURES
•
PERIPHERAL SHAPE STYLE: ROUND
•
THICKNESS: 1.44 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
PERIPHERAL SHAPE STYLEROUND
END ITEM IDENTIFICATION2420-66-148-7692, HMEE (HIGH MOBILITY ENGINEER EXCAVATOR); 3990-01-444-5196 CEMENT MIXER
THICKNESS1.44 MILLIMETERS NOMINAL MM
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 2
5310PL0824792Reference document
Same NSN cross-reference
Reference document — Informative reference only
CBU1834Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 3905169?
3905169 is a WASHER,FLAT.
What parts can replace 3905169?
There are 2 known substitutes for 3905169: 5310PL0824792, CBU1834. Substitute compatibility should be verified for your specific system.
What is the NSN for 3905169?
3905169 is cataloged in the U.S. Government catalog under NSN 5310-01-191-7512. 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.