Product Details | CONCAVE WASHER

5310-01-044-3038 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: K299134NF, K29913-4NF, 5310-01-044-3038, 01-044-3038, 5310010443038, 010443038

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 10 JUL 1977 01-044-3038

Drawings & Photos | NSN 5310-01-044-3038


Demand History | NSN 5310-01-044-3038

Part Number Request Date QTY Origin
5310-01-044-3038 2020-01-13 160 UA
K299134NF 2010-07-19 50 CN

Cross Reference | NSN 5310-01-044-3038

Part Number Cage Code Manufacturer
K29913-4NF 15653 ALCOA GLOBAL FASTENERS, INC.

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Technical Data | NSN 5310-01-044-3038

Characteristic Specifications
MATERIAL STEEL COMP 630 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR 35 CONCAVE
HOLE DIAMETER 0.325 INCHES MINIMUM AND 0.335 INCHES MAXIMUM
RADIUS 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
OUTSIDE DIAMETER 0.515 INCHES MINIMUM AND 0.525 INCHES MAXIMUM
MATERIAL THICKNESS 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
SURFACE FINISH 32.0 MICROINCHES COUNTERBORE WALL
MANUFACTURERS CODE 15653
DESIGN CONTROL REFERENCE K29913-4NF

Restrictions/Controls & Freight Information | NSN 5310-01-044-3038

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