1861791 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

1861791: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: PLASTIC PHENOLIC OVERALL, thickness: 0.094 INCHES NOMINAL IN, hole_diameter: 0.513 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN, overall_diameter: 0.875 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-292-2188, 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

1861791

NSN: 5310-00-292-2188
NIINs: 002922188, 007348959
FSC: 5310 — Nuts and Washers
CAGE: U1088 — DELPHI AUTOMOTIVE UK LTD (GBR)

SPECIFICATIONS

material	PLASTIC PHENOLIC OVERALL
thickness	0.094 INCHES NOMINAL IN
hole_diameter	0.513 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
overall_diameter	0.875 INCHES NOMINAL IN
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
cross-sectional_shape_style	RECTANGULAR
material_document_and_classification	L-L-31 GRADE XXP CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-00-292-2188

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL DIAMETER: 0.875 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: L-L-31,GRX,CANCELED FED SPEC ALL MATERIAL RESPONSES OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: CELLULOSE AND PLASTIC PHENOLIC OVERALL

•

CENTER HOLE SHAPE STYLE: ROUND

•

HOLE DIAMETER: 0.513 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN

•

THICKNESS: 0.094 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

OVERALL DIAMETER	0.875 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	L-L-31,GRX,CANCELED FED SPEC ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	CELLULOSE AND PLASTIC PHENOLIC OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.513 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
THICKNESS	0.094 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 3

A41971Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

72041Reference document

Same NSN cross-reference

Reference document — Secondary reference

370743Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 1861791?

1861791 is a WASHER,FLAT.

What parts can replace 1861791?

There are 3 known substitutes for 1861791: A41971, 72041, 370743. Substitute compatibility should be verified for your specific system.

What is the NSN for 1861791?

1861791 is cataloged in the U.S. Government catalog under NSN 5310-00-292-2188. This indicates validated use in U.S. government and defense supply chains.

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