310-0740-550 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

310-0740-550: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 268 OVERALL, thickness: 0.063 INCHES NOMINAL IN, hole_diameter: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, overall_diameter: 0.349 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN, surface_treatment: CADMIUM OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-826-2181, 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

310-0740-550

NSN: 5310-00-826-2181
FSC: 5310 — Nuts and Washers
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)

SPECIFICATIONS

material	COPPER ALLOY 268 OVERALL
thickness	0.063 INCHES NOMINAL IN
hole_diameter	0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
overall_diameter	0.349 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
surface_treatment	CADMIUM OVERALL
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
cross-sectional_shape_style	RECTANGULAR
material_document_and_classification	QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classification	QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN	5310-00-826-2181

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

OVERALL DIAMETER: 0.349 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

SURFACE TREATMENT: CADMIUM OVERALL

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: COPPER ALLOY 268 OVERALL

•

CENTER HOLE SHAPE STYLE: ROUND

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER	0.349 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
SURFACE TREATMENT	CADMIUM OVERALL
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	COPPER ALLOY 268 OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
THICKNESS	0.063 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

No substitute or cross-reference records for this part.

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 310-0740-550?

310-0740-550 is a WASHER,FLAT.

What is the NSN for 310-0740-550?

310-0740-550 is cataloged in the U.S. Government catalog under NSN 5310-00-826-2181. This indicates validated use in U.S. government and defense supply chains.

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310-0740-550 — WASHER,FLAT

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