4M307-5-56 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

4M307-5-56: 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: 0.875 INCHES NOMINAL IN, overall_diameter: 1.734 INCHES NOMINAL IN, special_features: USED IN ST7M349AND 9M919 SEALS TORESTRICT FLOW OF COOLING AIR, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-326-0249, 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

4M307-5-56

NSN: 5310-01-326-0249
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	0.875 INCHES NOMINAL IN
overall_diameter	1.734 INCHES NOMINAL IN
special_features	USED IN ST7M349AND 9M919 SEALS TORESTRICT FLOW OF COOLING AIR
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 SPEC 1ST MATERIAL RESPONSE OVERALL
NSN	5310-01-326-0249

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL DIAMETER: 1.734 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/11 COND 6 FED SPEC 1ST MATERIAL RESPONSE OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: ALUMINUM ALLOY 6061 OVERALL

•

CENTER HOLE SHAPE STYLE: ROUND

•

HOLE DIAMETER: 0.875 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

OVERALL DIAMETER	1.734 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-250/11 COND 6 FED SPEC 1ST MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
SPECIAL FEATURES	USED IN ST7M349AND 9M919 SEALS TORESTRICT FLOW OF COOLING AIR
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	ALUMINUM ALLOY 6061 OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.875 INCHES NOMINAL IN
THICKNESS	0.025 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: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 4M307-5-56?

4M307-5-56 is a WASHER,FLAT.

What is the NSN for 4M307-5-56?

4M307-5-56 is cataloged in the U.S. Government catalog under NSN 5310-01-326-0249. This indicates validated use in U.S. government and defense supply chains.

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