Product Details | CONCAVE WASHER

5310-00-138-6377 A washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is recessed to form a curved or spherical contour. See also WASHER (1), CONVEX. Excludes WASHER (1), RECESSED and BEARING, WASHER, THRUST.

Part Alternates: H55436706, H55-4367-06, 5310-00-138-6377, 00-138-6377, 5310001386377, 001386377

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 18 AUG 1971 00-138-6377

Cross Reference | NSN 5310-00-138-6377

Part Number Cage Code Manufacturer
H55-4367-06 019L2 MACLEAN-FOGG COMPANY DBA MAC LEAN-ESNA
H55-4367-06 72962 HARVARD INDUSTRIES INC

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Technical Data | NSN 5310-00-138-6377

Characteristic Specifications
MATERIAL STEEL OVERALL
SURFACE TREATMENT CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HOLE DIAMETER 0.472 INCHES NOMINAL
RADIUS 0.385 INCHES NOMINAL
OUTSIDE DIAMETER 0.683 INCHES MINIMUM AND 0.693 INCHES MAXIMUM
RECESS DEPTH 0.056 INCHES NOMINAL
MATERIAL THICKNESS 0.137 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5310-00-138-6377

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 194160 WASHER OR GASKETS, IRON OR STEEL,
Less than car load rating
Less than truck load rating U 50.0
Water commodity Code 713 unknown
Originating Activity Code KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable