4188874-1 — WASHER,CONCAVE

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

4188874-1: WASHER,CONCAVE.

The WASHER,CONCAVE is a the manufacturer industrial component. Key specifications include radius: 0.385 INCHES NOMINAL IN, material: STEEL OVERALL, recess_depth: 0.056 INCHES NOMINAL IN, hole_diameter: 0.467 INCHES MINIMUM AND 0.477 INCHES MAXIMUM IN, heat_treatment: AS FABRICATED, hardness_rating: 32.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-684-2758, 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

4188874-1

NSN: 5310-00-684-2758
FSC: 5310 — Nuts and Washers
CAGE: 80212 — BAE SYSTEMS LAND & ARMAMENTS L.P. (USA)

SPECIFICATIONS

radius	0.385 INCHES NOMINAL IN
material	STEEL OVERALL
recess_depth	0.056 INCHES NOMINAL IN
hole_diameter	0.467 INCHES MINIMUM AND 0.477 INCHES MAXIMUM IN
heat_treatment	AS FABRICATED
hardness_rating	32.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
outside_diameter	0.683 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN
style_designator	CONCAVE
surface_treatment	CADMIUM OVERALL
material_thickness	0.137 INCHES NOMINAL IN
surface_treatment_document_and_classification	QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN	5310-00-684-2758

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

RADIUS: 0.385 INCHES NOMINAL IN

•

HEAT TREATMENT: AS FABRICATED

•

HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM

•

STYLE DESIGNATOR: CONCAVE

•

OUTSIDE DIAMETER: 0.683 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN

•

RECESS DEPTH: 0.056 INCHES NOMINAL IN

•

MATERIAL THICKNESS: 0.137 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
RADIUS	0.385 INCHES NOMINAL IN
HEAT TREATMENT	AS FABRICATED
HARDNESS RATING	32.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR	CONCAVE
OUTSIDE DIAMETER	0.683 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN
RECESS DEPTH	0.056 INCHES NOMINAL IN
MATERIAL THICKNESS	0.137 INCHES NOMINAL IN
SURFACE TREATMENT	CADMIUM OVERALL
MATERIAL	STEEL OVERALL

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 2

2935-06Reference document

Same NSN cross-reference

Reference document — Secondary reference

5310006842758Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

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

Ready to buy 4188874-1?

Compare prices from verified sellers on eBay

Buy on eBay →

As an eBay Partner, PartsTable may earn a commission. Your price is not affected.

FREQUENTLY ASKED QUESTIONS

What is 4188874-1?

4188874-1 is a WASHER,CONCAVE.

What parts can replace 4188874-1?

There are 2 known substitutes for 4188874-1: 2935-06, 5310006842758. Substitute compatibility should be verified for your specific system.

What is the NSN for 4188874-1?

4188874-1 is cataloged in the U.S. Government catalog under NSN 5310-00-684-2758. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

4188874-1 — WASHER,CONCAVE

Request a Quote — 4188874-1