NSN 5310-00-500-2681

Part Details | RECESSED WASHER

5310-00-500-2681 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.

Alternate Parts: LS9851C7C, 5310-00-500-2681, 00-500-2681, 5310005002681, 005002681

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 06, 197400-500-268115933 ( WASHER, RECESSED )
REFERENCE DRAWINGS & PICTURES

SPRING TENSION

Cross Reference | NSN 5310-00-500-2681
Part Number Cage Code Manufacturer
LS9851C7C98897LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
Technical Data | NSN 5310-00-500-2681
Characteristic Specifications
STYLE DESIGNATOR5 SPRING TENSION
HOLE DIAMETER0.439 INCHES MINIMUM AND 0.443 INCHES MAXIMUM
OUTSIDE DIAMETER0.820 INCHES MINIMUM AND 0.830 INCHES MAXIMUM
RECESS DIAMETER0.555 INCHES MINIMUM AND 0.565 INCHES MAXIMUM
MATERIAL THICKNESS0.068 INCHES MINIMUM AND 0.088 INCHES MAXIMUM
RECESS ANGLE40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH