Product Details | RECESSED WASHER

5310-00-616-8538 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: WASHERRECESSED, 5310-00-616-8538, 00-616-8538, 5310006168538, 006168538

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-616-8538

Cross Reference | NSN 5310-00-616-8538

Part Number Cage Code Manufacturer
WASHERRECESSED 79807 WROUGHT WASHER MFG INC

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Technical Data | NSN 5310-00-616-8538

Characteristic Specifications
MATERIAL COPPER ALLOY
HARDNESS RATING NOT RATED
HOLE DIAMETER 0.288 INCHES NOMINAL
OUTSIDE DIAMETER 0.719 INCHES NOMINAL
RECESS DIAMETER 0.458 INCHES NOMINAL
MATERIAL THICKNESS 0.137 INCHES NOMINAL
RECESS ANGLE 82.0 DEGREES NOMINAL

Restrictions/Controls & Freight Information | NSN 5310-00-616-8538

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
No Freight Information