4M307-5-73 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

4M307-5-73: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, thickness: 0.025 INCHES NOMINAL IN, hole_diameter: 1.141 INCHES NOMINAL IN, overall_diameter: 1.734 INCHES NOMINAL IN, surface_treatment: PHOSPHATE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-557-3013, 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

4M307-5-73

NSN: 5310-01-557-3013
FSC: 5310 — Nuts and Washers
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 6061 OVERALL
thickness	0.025 INCHES NOMINAL IN
hole_diameter	1.141 INCHES NOMINAL IN
overall_diameter	1.734 INCHES NOMINAL IN
surface_treatment	PHOSPHATE OVERALL
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
end_item_identification	F-15 AIRCRAFT
cross-sectional_shape_style	RECTANGULAR
material_document_and_classification	QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agency	RESTRICTER,COOLING AIR
surface_treatment_document_and_classification	MUL-C-5541.CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN	5310-01-557-3013

COMPONENT DIAGRAM

KEY FEATURES

•

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

•

OVERALL DIAMETER: 1.734 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

SURFACE TREATMENT: PHOSPHATE OVERALL

•

PERIPHERAL SHAPE STYLE: ROUND

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MUL-C-5541.CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER	1.734 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
SURFACE TREATMENT	PHOSPHATE OVERALL
PERIPHERAL SHAPE STYLE	ROUND
PART NAME ASSIGNED BY CONTROLLING AGENCY	RESTRICTER,COOLING AIR
END ITEM IDENTIFICATION	F-15 AIRCRAFT
MATERIAL	ALUMINUM ALLOY 6061 OVERALL
CENTER HOLE SHAPE STYLE	ROUND

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

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FREQUENTLY ASKED QUESTIONS

What is 4M307-5-73?

4M307-5-73 is a WASHER,FLAT.

What is the NSN for 4M307-5-73?

4M307-5-73 is cataloged in the U.S. Government catalog under NSN 5310-01-557-3013. This indicates validated use in U.S. government and defense supply chains.

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4M307-5-73 — WASHER,FLAT

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