4M276-1 — WASHER,RECESSED

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

4M276-1: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include radius: 0.070 INCHES NOMINAL IN, material: STEEL COMP 630 OVERALL, hole_diameter: 0.671 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN, overall_height: 0.210 INCHES NOMINAL IN, recess_diameter: 0.765 INCHES MINIMUM AND 0.776 INCHES MAXIMUM IN, outside_diameter: 1.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-168-4489, 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

4M276-1

NSN: 5310-01-168-4489
FSC: 5310 — Nuts and Washers
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

radius	0.070 INCHES NOMINAL IN
material	STEEL COMP 630 OVERALL
hole_diameter	0.671 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN
overall_height	0.210 INCHES NOMINAL IN
recess_diameter	0.765 INCHES MINIMUM AND 0.776 INCHES MAXIMUM IN
outside_diameter	1.000 INCHES NOMINAL IN
style_designator	RECESSED
surface_treatment	PASSIVATE OVERALL
material_document_and_classification	AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classification	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN	5310-01-168-4489

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

RADIUS: 0.070 INCHES NOMINAL IN

•

STYLE DESIGNATOR: RECESSED

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN

•

RECESS DIAMETER: 0.765 INCHES MINIMUM AND 0.776 INCHES MAXIMUM IN

•

SURFACE TREATMENT: PASSIVATE OVERALL

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.210 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
RADIUS	0.070 INCHES NOMINAL IN
STYLE DESIGNATOR	RECESSED
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER	1.000 INCHES NOMINAL IN
RECESS DIAMETER	0.765 INCHES MINIMUM AND 0.776 INCHES MAXIMUM IN
SURFACE TREATMENT	PASSIVATE OVERALL
MATERIAL	STEEL COMP 630 OVERALL
HOLE DIAMETER	0.671 INCHES MINIMUM AND 0.680 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

10109959Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 4M276-1?

4M276-1 is a WASHER,RECESSED.

What parts can replace 4M276-1?

There is 1 known substitute for 4M276-1: 10109959. Substitute compatibility should be verified for your specific system.

What is the NSN for 4M276-1?

4M276-1 is cataloged in the U.S. Government catalog under NSN 5310-01-168-4489. This indicates validated use in U.S. government and defense supply chains.

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4M276-1 — WASHER,RECESSED

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