4M307-3-26 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

4M307-3-26: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, thickness: 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN, hole_diameter: 0.406 INCHES NOMINAL IN, overall_diameter: 1.484 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-283-3920, 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

4M307-3-26

NSN: 5310-01-283-3920
FSC: 5310 — Nuts and Washers
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 6061 OVERALL
thickness	0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
hole_diameter	0.406 INCHES NOMINAL IN
overall_diameter	1.484 INCHES NOMINAL IN
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
cross-sectional_shape_style	RECTANGULAR
material_document_and_classification	QQ-A-250/11, COND 6 FED STD SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agency	RESTRICTOR, COOLING AIR
surface_treatment_document_and_classification	MIL-C-5541, CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN	5310-01-283-3920

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541, CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

OVERALL DIAMETER: 1.484 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/11, COND 6 FED STD SINGLE MATERIAL RESPONSE OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: ALUMINUM ALLOY 6061 OVERALL

•

CENTER HOLE SHAPE STYLE: ROUND

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-5541, CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER	1.484 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-250/11, COND 6 FED STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
PERIPHERAL SHAPE STYLE	ROUND
PART NAME ASSIGNED BY CONTROLLING AGENCY	RESTRICTOR, COOLING AIR
MATERIAL	ALUMINUM ALLOY 6061 OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.406 INCHES NOMINAL IN
THICKNESS	0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN

SUBSTITUTES & CROSS-REFERENCES 1

4M307Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 4M307-3-26?

4M307-3-26 is a WASHER,FLAT.

What parts can replace 4M307-3-26?

There is 1 known substitute for 4M307-3-26: 4M307. Substitute compatibility should be verified for your specific system.

What is the NSN for 4M307-3-26?

4M307-3-26 is cataloged in the U.S. Government catalog under NSN 5310-01-283-3920. This indicates validated use in U.S. government and defense supply chains.

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