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1001240 — WASHER,FLAT

✓ Government record, cited
3M · NUT WASHER
PRODUCT OVERVIEW

1001240: WASHER,FLAT.

The WASHER,FLAT is a 3M industrial component. Key specifications include diameter: 240.0 MILLIMETERS NOMINAL MM, paper_type: QUALITATIVE, precipitate_for_which_designed: MEDIUM, part_name_assigned_by_controlling_agency: PAPER FILTER. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-541-2183, 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
1001240
NSN: 5310-01-541-2183
NIINs: 015412183, 016917480
FSC: 5310 — Nuts and Washers
CAGE: 1EFH8 — GENERAL DYNAMICS LAND SYSTEMS - FORCE PROTECTION INC. DBA GDLS DIV GDLS-FP (USA)
SPECIFICATIONS
diameter240.0 MILLIMETERS NOMINAL MM
paper_typeQUALITATIVE
precipitate_for_which_designedMEDIUM
part_name_assigned_by_controlling_agencyPAPER FILTER
NSN5310-01-541-2183
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1001240 · 3M ⚠ 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 AGENCYFLAT WASHER
END ITEM IDENTIFICATION2320-01-519-8173 COUGAR 4X4 EOD VARIANT; 2355-01-532-2174 JOINT EOD RAPID RESPONSE VEHICLE (JERRV) 4X4 EOD VARIANT; 2355-01-532-2159 JOINT EOD RAPID RESPONSE VEHICLE (JERRV) 6X6 ENGINEER VARIANT; 2320-01-519-8172 COUGAR 6X6 ENGINEER
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 1001240?
1001240 is a WASHER,FLAT manufactured by 3M.
What is the NSN for 1001240?
1001240 is cataloged in the U.S. Government catalog under NSN 5310-01-541-2183. 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.