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3918191 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3918191: WASHER,FLAT.

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

Government catalog under NSN 5310-01-195-1441, 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
3918191
NSN: 5310-01-195-1441
FSC: 5310 — Nuts and Washers
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
end_item_identification2420-66-148-7692 HMEE (HIGH MOBILITY ENGINEER EXCAVATOR); 3990-01-444-5196 CEMENT MIXER
part_name_assigned_by_controlling_agencySEALING WASHER
NSN5310-01-195-1441
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3918191 · 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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYSEALING WASHER
END ITEM IDENTIFICATION2420-66-148-7692 HMEE (HIGH MOBILITY ENGINEER EXCAVATOR); 3990-01-444-5196 CEMENT MIXER
SUBSTITUTES & CROSS-REFERENCES 5
3903037Reference document
Same NSN cross-reference
Reference document — Secondary reference
3935171Reference document
Same NSN cross-reference
Reference document — Secondary reference
3963983Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
205257Reference document
Same NSN cross-reference
Reference document — Secondary reference
02/911452Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3918191?
3918191 is a WASHER,FLAT.
What parts can replace 3918191?
There are 5 known substitutes for 3918191: 3903037, 3935171, 3963983 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3918191?
3918191 is cataloged in the U.S. Government catalog under NSN 5310-01-195-1441. 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.