Product Details | RECESSED WASHER

5310-00-052-4411 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: BACW10AKC4, BACW10BN4C, 5310-00-052-4411, 00-052-4411, 5310000524411, 000524411

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 23 MAY 1967 00-052-4411

Cross Reference | NSN 5310-00-052-4411

Part Number Cage Code Manufacturer
BACW10AKC4 81205 THE BOEING COMPANY DBA BOEING
BACW10BN4C 81205 THE BOEING COMPANY DBA BOEING

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Technical Data | NSN 5310-00-052-4411

Characteristic Specifications
MATERIAL STEEL
SURFACE TREATMENT CADMIUM
HARDNESS RATING NOT RATED
HOLE DIAMETER 0.251 INCHES MINIMUM AND 0.255 INCHES MAXIMUM
OUTSIDE DIAMETER 0.491 INCHES NOMINAL
RECESS DIAMETER 0.334 INCHES MINIMUM AND 0.350 INCHES MAXIMUM
MATERIAL THICKNESS 0.057 INCHES MINIMUM AND 0.088 INCHES MAXIMUM
RECESS ANGLE 80.000 DEGREES MINIMUM AND 100.000 DEGREES MAXIMUM
SPECIFICATION/STANDARD DATA 81205-BACW10AK MANUFACTURERS STANDARD

Restrictions/Controls & Freight Information | NSN 5310-00-052-4411

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 CT U.S. Army Aviation and Missile Command (AIR)
Redstone Arsenal, AL 35898-5230
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