310-0740-420 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

310-0740-420: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 5052 OVERALL, thickness: 0.016 INCHES NOMINAL IN, hole_diameter: 0.182 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN, overall_diameter: 0.299 INCHES MINIMUM AND 0.319 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-688-2035, 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

310-0740-420

NSN: 5310-00-688-2035
FSC: 5310 — Nuts and Washers
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 5052 OVERALL
thickness	0.016 INCHES NOMINAL IN
hole_diameter	0.182 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
overall_diameter	0.299 INCHES MINIMUM AND 0.319 INCHES MAXIMUM IN
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
cross-sectional_shape_style	RECTANGULAR
material_document_and_classification	QQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-00-688-2035

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL DIAMETER: 0.299 INCHES MINIMUM AND 0.319 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: ALUMINUM ALLOY 5052 OVERALL

•

CENTER HOLE SHAPE STYLE: ROUND

•

HOLE DIAMETER: 0.182 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN

•

THICKNESS: 0.016 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

OVERALL DIAMETER	0.299 INCHES MINIMUM AND 0.319 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	ALUMINUM ALLOY 5052 OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.182 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
THICKNESS	0.016 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 2

NAS620A8LSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

5310PL0192768Reference 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 310-0740-420?

310-0740-420 is a WASHER,FLAT.

What parts can replace 310-0740-420?

There are 2 known substitutes for 310-0740-420: NAS620A8L, 5310PL0192768. Substitute compatibility should be verified for your specific system.

What is the NSN for 310-0740-420?

310-0740-420 is cataloged in the U.S. Government catalog under NSN 5310-00-688-2035. This indicates validated use in U.S. government and defense supply chains.

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