ER6489 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

ER6489: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, thickness: 0.150 INCHES NOMINAL IN, hole_diameter: 0.520 INCHES NOMINAL IN, heat_treatment: T-4 SOLUTION HEAT TREATED, NATURAL AGED, overall_diameter: 0.800 INCHES NOMINAL IN, surface_treatment: ANODIZE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-446-6489, 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

ER6489

NSN: 5310-00-446-6489
FSC: 5310 — Nuts and Washers
CAGE: 22317 — E AND R LABORATORY SERVICE CORP

SPECIFICATIONS

material	ALUMINUM ALLOY OVERALL
thickness	0.150 INCHES NOMINAL IN
hole_diameter	0.520 INCHES NOMINAL IN
heat_treatment	T-4 SOLUTION HEAT TREATED, NATURAL AGED
overall_diameter	0.800 INCHES NOMINAL IN
surface_treatment	ANODIZE OVERALL
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
cross-sectional_shape_style	RECTANGULAR
material_document_and_classification	QQ-A-267 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classification	MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN	5310-00-446-6489

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

OVERALL DIAMETER: 0.800 INCHES NOMINAL IN

•

HEAT TREATMENT: T-4 SOLUTION HEAT TREATED, NATURAL AGED

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-267 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

SURFACE TREATMENT: ANODIZE OVERALL

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: ALUMINUM ALLOY OVERALL

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER	0.800 INCHES NOMINAL IN
HEAT TREATMENT	T-4 SOLUTION HEAT TREATED, NATURAL AGED
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-267 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
SURFACE TREATMENT	ANODIZE OVERALL
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	ALUMINUM ALLOY OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.520 INCHES NOMINAL 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 2

5310AC1-006Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

C4WM1297-1Same 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 ER6489?

ER6489 is a WASHER,FLAT.

What parts can replace ER6489?

There are 2 known substitutes for ER6489: 5310AC1-006, C4WM1297-1. Substitute compatibility should be verified for your specific system.

What is the NSN for ER6489?

ER6489 is cataloged in the U.S. Government catalog under NSN 5310-00-446-6489. This indicates validated use in U.S. government and defense supply chains.

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