NSN 5310-00-521-4028

Part Details | RECESSED WASHER

5310-00-521-4028 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: 14014183, 140-14183, 5310-00-521-4028, 00-521-4028, 5310005214028, 005214028

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-521-402815933 ( WASHER, RECESSED )
REFERENCE DRAWINGS & PICTURES

SPRING TENSION

Cross Reference | NSN 5310-00-521-4028
Part Number Cage Code Manufacturer
140-1418343999BOEING COMPANY, THEDBA BOEING
Technical Data | NSN 5310-00-521-4028
Characteristic Specifications
HARDNESS RATINGRCB35.0 ROCKWELL C MAXIMUM AND 40.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR5 SPRING TENSION
HOLE DIAMETER0.762 INCHES MINIMUM AND 0.770 INCHES MAXIMUM
OUTSIDE DIAMETER1.344 INCHES MINIMUM AND 1.406 INCHES MAXIMUM
RECESS DIAMETER0.891 INCHES MINIMUM AND 0.911 INCHES MAXIMUM
MATERIAL THICKNESS0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
RECESS ANGLE89.5 DEGREES MINIMUM AND 90.5 DEGREES MAXIMUM