NSN 5310-00-987-9257

Part Details | RECESSED WASHER

5310-00-987-9257 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: 561056, 5310-00-987-9257, 00-987-9257, 5310009879257, 009879257

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196200-987-925715933 ( WASHER, RECESSED )
REFERENCE DRAWINGS & PICTURES

SPRING TENSION

Cross Reference | NSN 5310-00-987-9257
Part Number Cage Code Manufacturer
56105673030HAMILTON SUNDSTRAND CORPORATION
Technical Data | NSN 5310-00-987-9257
Characteristic Specifications
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR6 SPRING TENSION
HOLE DIAMETER0.310 INCHES MINIMUM AND 0.330 INCHES MAXIMUM
OUTSIDE DIAMETER0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM
OVERALL HEIGHT0.050 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
RECESS DEPTH0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
MATERIAL THICKNESS0.033 INCHES MINIMUM AND 0.048 INCHES MAXIMUM