6391388-1 — WASHER,CONVEX

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

6391388-1: WASHER,CONVEX.

The WASHER,CONVEX is a the manufacturer industrial component. Key specifications include material: STEEL COMP A2 OVERALL, hole_diameter: 2.875 INCHES NOMINAL IN, outside_diameter: 4.310 INCHES NOMINAL IN, special_features: DRAWING CALLS THIS: WASHER - HALF SPHERICAL CONVEX, SUPPORT POST, style_designator: CONVEX, material_thickness: 0.650 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-508-0129, 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

6391388-1

NSN: 5310-01-508-0129
FSC: 5310 — Nuts and Washers
CAGE: 31442 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)

SPECIFICATIONS

material	STEEL COMP A2 OVERALL
hole_diameter	2.875 INCHES NOMINAL IN
outside_diameter	4.310 INCHES NOMINAL IN
special_features	DRAWING CALLS THIS: WASHER - HALF SPHERICAL CONVEX, SUPPORT POST
style_designator	CONVEX
material_thickness	0.650 INCHES NOMINAL IN
supplementary_features	TOP OF WASHER IS FLAT FOR 0.1225 INCH FROM INNER EDGE BEFORE 16 DEGREE (6.750 RADIUS) CHAMFER BEGINS IN
end_item_identification	ASDS
NSN	5310-01-508-0129

COMPONENT DIAGRAM

KEY FEATURES

•

SUPPLEMENTARY FEATURES: TOP OF WASHER IS FLAT FOR 0.1225 INCH FROM INNER EDGE BEFORE 16 DEGREE (6.750 RADIUS) CHAMFER BEGINS IN

•

STYLE DESIGNATOR: CONVEX

•

OUTSIDE DIAMETER: 4.310 INCHES NOMINAL IN

•

MATERIAL THICKNESS: 0.650 INCHES NOMINAL IN

•

MATERIAL: STEEL COMP A2 OVERALL

•

HOLE DIAMETER: 2.875 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

SUPPLEMENTARY FEATURES	TOP OF WASHER IS FLAT FOR 0.1225 INCH FROM INNER EDGE BEFORE 16 DEGREE (6.750 RADIUS) CHAMFER BEGINS IN
STYLE DESIGNATOR	CONVEX
OUTSIDE DIAMETER	4.310 INCHES NOMINAL IN
MATERIAL THICKNESS	0.650 INCHES NOMINAL IN
SPECIAL FEATURES	DRAWING CALLS THIS: WASHER - HALF SPHERICAL CONVEX, SUPPORT POST
END ITEM IDENTIFICATION	ASDS
MATERIAL	STEEL COMP A2 OVERALL
HOLE DIAMETER	2.875 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 1

6391388Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

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 6391388-1?

6391388-1 is a WASHER,CONVEX.

What parts can replace 6391388-1?

There is 1 known substitute for 6391388-1: 6391388. Substitute compatibility should be verified for your specific system.

What is the NSN for 6391388-1?

6391388-1 is cataloged in the U.S. Government catalog under NSN 5310-01-508-0129. This indicates validated use in U.S. government and defense supply chains.

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6391388-1 — WASHER,CONVEX

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