GAU31 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

GAU31: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: WOOL COMP 9R2 OVERALL, thickness: 0.112 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN, hole_diameter: 0.812 INCHES NOMINAL IN, overall_diameter: 1.312 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-171-5750, 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

GAU31

NSN: 5310-00-171-5750
FSC: 5310 — Nuts and Washers
CAGE: 95201 — NAPCO INTERNATIONAL LLC DBA NAPCO INTERNATIONAL INC (USA)

SPECIFICATIONS

material	WOOL COMP 9R2 OVERALL
thickness	0.112 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN
hole_diameter	0.812 INCHES NOMINAL IN
overall_diameter	1.312 INCHES NOMINAL IN
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
cross-sectional_shape_style	RECTANGULAR
material_document_and_classification	SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-00-171-5750

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL DIAMETER: 1.312 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: WOOL COMP 9R2 OVERALL

•

CENTER HOLE SHAPE STYLE: ROUND

•

HOLE DIAMETER: 0.812 INCHES NOMINAL IN

•

THICKNESS: 0.112 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

OVERALL DIAMETER	1.312 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	WOOL COMP 9R2 OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.812 INCHES NOMINAL IN
THICKNESS	0.112 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN

SUBSTITUTES & CROSS-REFERENCES 6

78-10212Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

7970CReference document

Same NSN cross-reference

Reference document — Secondary reference

674939Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

639085Reference document

Same NSN cross-reference

Reference document — Secondary reference

78-10212AReference document

Same NSN cross-reference

Reference document — Secondary reference

A1644Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is GAU31?

GAU31 is a WASHER,FLAT.

What parts can replace GAU31?

There are 6 known substitutes for GAU31: 78-10212, 7970C, 674939 and 3 more. Substitute compatibility should be verified for your specific system.

What is the NSN for GAU31?

GAU31 is cataloged in the U.S. Government catalog under NSN 5310-00-171-5750. This indicates validated use in U.S. government and defense supply chains.

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