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10109734 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

10109734: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, thickness: 0.044 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN, hole_diameter: 0.504 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN, overall_diameter: 0.990 INCHES MINIMUM AND 0.995 INCHES MAXIMUM IN, surface_treatment: ANODIZE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-135-6497, 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
10109734
NSN: 5310-01-135-6497
FSC: 5310 — Nuts and Washers
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 OVERALL
thickness0.044 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
hole_diameter0.504 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN
overall_diameter0.990 INCHES MINIMUM AND 0.995 INCHES MAXIMUM IN
surface_treatmentANODIZE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAMS 4027,ALLOY 60611 T6 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-A-8625 TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-135-6497
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 10109734 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 0.990 INCHES MINIMUM AND 0.995 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4027,ALLOY 60611 T6 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: ANODIZE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: ALUMINUM ALLOY 6061 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER0.990 INCHES MINIMUM AND 0.995 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4027,ALLOY 60611 T6 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTANODIZE OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALALUMINUM ALLOY 6061 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.504 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN
THICKNESS0.044 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
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
2493765Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 10109734?
10109734 is a WASHER,FLAT.
What parts can replace 10109734?
There is 1 known substitute for 10109734: 2493765. Substitute compatibility should be verified for your specific system.
What is the NSN for 10109734?
10109734 is cataloged in the U.S. Government catalog under NSN 5310-01-135-6497. 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.