M4DIN1440 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

M4DIN1440: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.8 MILLIMETERS NOMINAL MM, hole_diameter: 4.0 MILLIMETERS NOMINAL MM, overall_diameter: 8.0 MILLIMETERS NOMINAL MM, special_features: ITEM CHAMFERED 0.3MM BY 45 DEGREES AROUND OUTSIDE DIAMETER MM, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-187-9564, 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

M4DIN1440

NSN: 5310-01-187-9564
FSC: 5310 — Nuts and Washers
CAGE: 21969 — ZELENDA MACHINE AND TOOLS CORP (USA)

SPECIFICATIONS

material	STEEL OVERALL
thickness	0.8 MILLIMETERS NOMINAL MM
hole_diameter	4.0 MILLIMETERS NOMINAL MM
overall_diameter	8.0 MILLIMETERS NOMINAL MM
special_features	ITEM CHAMFERED 0.3MM BY 45 DEGREES AROUND OUTSIDE DIAMETER MM
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
end_item_identification	W/S:HELICOPTER, APACHE AH-64
cross-sectional_shape_style	RECTANGULAR
NSN	5310-01-187-9564

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL DIAMETER: 8.0 MILLIMETERS NOMINAL MM

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: STEEL OVERALL

•

CENTER HOLE SHAPE STYLE: ROUND

•

HOLE DIAMETER: 4.0 MILLIMETERS NOMINAL MM

TECHNICAL CHARACTERISTICS

OVERALL DIAMETER	8.0 MILLIMETERS NOMINAL MM
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
SPECIAL FEATURES	ITEM CHAMFERED 0.3MM BY 45 DEGREES AROUND OUTSIDE DIAMETER MM
PERIPHERAL SHAPE STYLE	ROUND
END ITEM IDENTIFICATION	W/S:HELICOPTER, APACHE AH-64
MATERIAL	STEEL OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	4.0 MILLIMETERS NOMINAL MM
THICKNESS	0.8 MILLIMETERS NOMINAL MM

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 4

4DIN1440Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

HS7012-4Reference document

Same NSN cross-reference

Reference document — Secondary reference

OSS7012-4Reference document

Same NSN cross-reference

Reference document — Secondary reference

M4DINReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is M4DIN1440?

M4DIN1440 is a WASHER,FLAT.

What parts can replace M4DIN1440?

There are 4 known substitutes for M4DIN1440: 4DIN1440, HS7012-4, OSS7012-4 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for M4DIN1440?

M4DIN1440 is cataloged in the U.S. Government catalog under NSN 5310-01-187-9564. This indicates validated use in U.S. government and defense supply chains.

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