Product Details | RECESSED WASHER

5310-00-081-8033 A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes WASHER, CONCAVE, RETAINER, PACKING, and thrust type washers. See also SPACER, SLEEVE; and SPACER, STEPPED.

Part Alternates: 12S9187, 12S918-7, 5310-00-081-8033, 00-081-8033, 5310000818033, 000818033

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 11 DEC 1967 00-081-8033

Cross Reference | NSN 5310-00-081-8033

Part Number Cage Code Manufacturer
12S918-7 81755 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS

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Technical Data | NSN 5310-00-081-8033

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING
HARDNESS RATING NOT RATED
HOLE DIAMETER 0.512 INCHES MAXIMUM
OUTSIDE DIAMETER 0.880 INCHES NOMINAL
RECESS DIAMETER 0.642 INCHES MINIMUM AND 0.652 INCHES MAXIMUM
MATERIAL THICKNESS 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM
RECESS ANGLE 45.0 DEGREES NOMINAL
MANUFACTURERS CODE 81755
DESIGN CONTROL REFERENCE 12S918-7

Restrictions/Controls & Freight Information | NSN 5310-00-081-8033

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 TA Sacramento Air Logistics Center
McClellan AFB, CA 95652-5609
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