Product Details | RECESSED WASHER

5310-01-059-8682 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: 69502311, 69-50231-1, 5310-01-059-8682, 01-059-8682, 5310010598682, 010598682

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01-059-8682

Drawings & Photos | NSN 5310-01-059-8682


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Technical Data | NSN 5310-01-059-8682

Characteristic Specifications
MATERIAL STEEL COMP 4340 OVERALL
HARDNESS RATING 33.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR 28 RECESSED BOTH SIDES
HOLE DIAMETER 0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM
OUTSIDE DIAMETER 0.840 INCHES NOMINAL
MATERIAL THICKNESS 0.150 INCHES MINIMUM AND 0.155 INCHES MAXIMUM
TOP RECESS DIAMETER 0.520 INCHES MINIMUM AND 0.535 INCHES MAXIMUM
BOTTOM RECESS DIAMETER 0.520 INCHES MINIMUM AND 0.535 INCHES MAXIMUM
BOTTOM RECESS ANGLE 120.0 DEGREES NOMINAL
TOP RECESS ANGLE 120.0 DEGREES NOMINAL
MANUFACTURERS CODE 81205
DESIGN CONTROL REFERENCE 69-50231-1

Restrictions/Controls & Freight Information | NSN 5310-01-059-8682

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
Category Code Description
No Freight Information