9109OA109 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

9109OA109: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.062 INCHES NOMINAL IN, hole_diameter: 0.281 INCHES NOMINAL IN, overall_diameter: 1.250 INCHES NOMINAL IN, surface_treatment: ZINC AND CHROMATE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-179-2858, 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

9109OA109

NSN: 5310-01-179-2858
FSC: 5310 — Nuts and Washers
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)

SPECIFICATIONS

material	STEEL OVERALL
thickness	0.062 INCHES NOMINAL IN
hole_diameter	0.281 INCHES NOMINAL IN
overall_diameter	1.250 INCHES NOMINAL IN
surface_treatment	ZINC AND CHROMATE OVERALL
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
cross-sectional_shape_style	RECTANGULAR
surface_treatment_document_and_classification	QQ-Z-325,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OR MIL-C-81562,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN	5310-01-179-2858

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-Z-325,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OR MIL-C-81562,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

OVERALL DIAMETER: 1.250 INCHES NOMINAL IN

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

SURFACE TREATMENT: ZINC AND CHROMATE OVERALL

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: STEEL OVERALL

•

CENTER HOLE SHAPE STYLE: ROUND

•

HOLE DIAMETER: 0.281 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-Z-325,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OR MIL-C-81562,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER	1.250 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
SURFACE TREATMENT	ZINC AND CHROMATE OVERALL
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	STEEL OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.281 INCHES NOMINAL IN
THICKNESS	0.062 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 2

11EOD1043Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

3696238Reference 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 9109OA109?

9109OA109 is a WASHER,FLAT.

What parts can replace 9109OA109?

There are 2 known substitutes for 9109OA109: 11EOD1043, 3696238. Substitute compatibility should be verified for your specific system.

What is the NSN for 9109OA109?

9109OA109 is cataloged in the U.S. Government catalog under NSN 5310-01-179-2858. This indicates validated use in U.S. government and defense supply chains.

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