MM118C4 — WASHER,RECESSED

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

MM118C4: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 502 OR IRON ALLOY 660 OVERALL, recess_angle: 80.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM, hole_diameter: 0.251 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN, recess_diameter: 0.310 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN, outside_diameter: 0.460 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN, style_designator: RECESSED. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-331-7613, 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

MM118C4

NSN: 5310-01-331-7613
FSC: 5310 — Nuts and Washers
CAGE: 58009 — MOELLER MANUFACTURING & SUPPLY, LLC (USA)

SPECIFICATIONS

material	NICKEL ALLOY 502 OR IRON ALLOY 660 OVERALL
recess_angle	80.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM
hole_diameter	0.251 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
recess_diameter	0.310 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
outside_diameter	0.460 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN
style_designator	RECESSED
material_thickness	0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
NSN	5310-01-331-7613

COMPONENT DIAGRAM

KEY FEATURES

•

STYLE DESIGNATOR: RECESSED

•

OUTSIDE DIAMETER: 0.460 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN

•

MATERIAL THICKNESS: 0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN

•

RECESS DIAMETER: 0.310 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN

•

MATERIAL: NICKEL ALLOY 502 OR IRON ALLOY 660 OVERALL

•

HOLE DIAMETER: 0.251 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN

•

RECESS ANGLE: 80.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM

TECHNICAL CHARACTERISTICS

STYLE DESIGNATOR	RECESSED
OUTSIDE DIAMETER	0.460 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN
MATERIAL THICKNESS	0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
RECESS DIAMETER	0.310 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
MATERIAL	NICKEL ALLOY 502 OR IRON ALLOY 660 OVERALL
HOLE DIAMETER	0.251 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
RECESS ANGLE	80.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM

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 3

VN948-4CReference document

Same NSN cross-reference

Reference document — Secondary reference

03A257C4Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

AS19879C4Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 MM118C4?

MM118C4 is a WASHER,RECESSED.

What parts can replace MM118C4?

There are 3 known substitutes for MM118C4: VN948-4C, 03A257C4, AS19879C4. Substitute compatibility should be verified for your specific system.

What is the NSN for MM118C4?

MM118C4 is cataloged in the U.S. Government catalog under NSN 5310-01-331-7613. This indicates validated use in U.S. government and defense supply chains.

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MM118C4 — WASHER,RECESSED

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