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3011444 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3011444: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.153 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN, hole_diameter: 2.115 INCHES MINIMUM AND 2.170 INCHES MAXIMUM IN, overall_diameter: 4.490 INCHES MINIMUM AND 4.545 INCHES MAXIMUM IN, special_features: LOW CARBON STEEL, surface_treatment: CHROMATE ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-591-3673, 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
3011444
NSN: 5310-01-591-3673
FSC: 5310 — Nuts and Washers
CAGE: 1EFH8 — GENERAL DYNAMICS LAND SYSTEMS - FORCE PROTECTION INC. DBA GDLS DIV GDLS-FP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.153 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
hole_diameter2.115 INCHES MINIMUM AND 2.170 INCHES MAXIMUM IN
overall_diameter4.490 INCHES MINIMUM AND 4.545 INCHES MAXIMUM IN
special_featuresLOW CARBON STEEL
surface_treatmentCHROMATE ZINC OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationMRAP - COUGAR
cross-sectional_shape_styleRECTANGULAR
NSN5310-01-591-3673
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3011444 · 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
•
OVERALL DIAMETER: 4.490 INCHES MINIMUM AND 4.545 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
COLOR: YELLOW OVERALL
•
SURFACE TREATMENT: CHROMATE ZINC OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER4.490 INCHES MINIMUM AND 4.545 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
COLORYELLOW OVERALL
SPECIAL FEATURESLOW CARBON STEEL
SURFACE TREATMENTCHROMATE ZINC OVERALL
PERIPHERAL SHAPE STYLEROUND
END ITEM IDENTIFICATIONMRAP - COUGAR
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER2.115 INCHES MINIMUM AND 2.170 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3011444?
3011444 is a WASHER,FLAT.
What is the NSN for 3011444?
3011444 is cataloged in the U.S. Government catalog under NSN 5310-01-591-3673. 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.