4M307-3-80 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

4M307-3-80: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, thickness: 0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN, hole_diameter: 1.250 INCHES NOMINAL IN, overall_diameter: 1.484 INCHES NOMINAL IN, surface_treatment: CHROMATE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-718-7771, 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

4M307-3-80

NSN: 5310-01-718-7771
FSC: 5310 — Nuts and Washers
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 6061 OVERALL
thickness	0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
hole_diameter	1.250 INCHES NOMINAL IN
overall_diameter	1.484 INCHES NOMINAL IN
surface_treatment	CHROMATE OVERALL
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
end_item_identification	F-15EX
cross-sectional_shape_style	RECTANGULAR
material_document_and_classification	AMS-QQ-A-250/11 OR AMS 4027 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agency	RESTRICTOR, COOLING AIR
surface_treatment_document_and_classification	MIL-DTL-5541, CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN	5310-01-718-7771

COMPONENT DIAGRAM

KEY FEATURES

•

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

•

OVERALL DIAMETER: 1.484 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS-QQ-A-250/11 OR AMS 4027 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

SURFACE TREATMENT: CHROMATE OVERALL

•

PERIPHERAL SHAPE STYLE: ROUND

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-DTL-5541, CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER	1.484 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS-QQ-A-250/11 OR AMS 4027 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
SURFACE TREATMENT	CHROMATE OVERALL
PERIPHERAL SHAPE STYLE	ROUND
PART NAME ASSIGNED BY CONTROLLING AGENCY	RESTRICTOR, COOLING AIR
END ITEM IDENTIFICATION	F-15EX
MATERIAL	ALUMINUM ALLOY 6061 OVERALL
CENTER HOLE SHAPE STYLE	ROUND

SUBSTITUTES & CROSS-REFERENCES 1

4M307Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 4M307-3-80?

4M307-3-80 is a WASHER,FLAT.

What parts can replace 4M307-3-80?

There is 1 known substitute for 4M307-3-80: 4M307. Substitute compatibility should be verified for your specific system.

What is the NSN for 4M307-3-80?

4M307-3-80 is cataloged in the U.S. Government catalog under NSN 5310-01-718-7771. This indicates validated use in U.S. government and defense supply chains.

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