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6T9256 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

6T9256: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include hole_diameter: 7.4 MILLIMETERS NOMINAL MM, surface_treatment: DICHROMATE OVERALL, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND, material_document_and_classification: GRADE 2,CAGEC 72741 MFR REF ALL MATERIAL RESPONSES OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-257-4292, 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
6T9256
NSN: 5310-01-257-4292
FSC: 5310 — Nuts and Washers
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
hole_diameter7.4 MILLIMETERS NOMINAL MM
surface_treatmentDICHROMATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
material_document_and_classificationGRADE 2,CAGEC 72741 MFR REF ALL MATERIAL RESPONSES OVERALL
NSN5310-01-257-4292
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6T9256 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: GRADE 2,CAGEC 72741 MFR REF ALL MATERIAL RESPONSES OVERALL
•
COLOR: BLUE OVERALL
•
SURFACE TREATMENT: DICHROMATE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 7.4 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONGRADE 2,CAGEC 72741 MFR REF ALL MATERIAL RESPONSES OVERALL
COLORBLUE OVERALL
SURFACE TREATMENTDICHROMATE OVERALL
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER7.4 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 1
437-007Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 6T9256?
6T9256 is a WASHER,FLAT.
What parts can replace 6T9256?
There is 1 known substitute for 6T9256: 437-007. Substitute compatibility should be verified for your specific system.
What is the NSN for 6T9256?
6T9256 is cataloged in the U.S. Government catalog under NSN 5310-01-257-4292. 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.