NSN 5310-00-121-8318

Part Details | RECESSED WASHER

5310-00-121-8318 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: H2040D, H2040D, 5310-00-121-8318, 00-121-8318, 5310001218318, 001218318

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 25, 196800-121-831815933 ( WASHER, RECESSED )
REFERENCE DRAWINGS & PICTURES

SPRING TENSION

Cross Reference | NSN 5310-00-121-8318
Part Number Cage Code Manufacturer
H2040D97384AAI CORPORATIONDBA TEXTRON SYSTEMS
H2040D52033DAVID ROUND COMPANY, THE
Technical Data | NSN 5310-00-121-8318
Characteristic Specifications
STYLE DESIGNATOR5 SPRING TENSION
HOLE DIAMETER4.656 INCHES NOMINAL
OUTSIDE DIAMETER10.875 INCHES NOMINAL
RECESS DIAMETER4.844 INCHES NOMINAL
MATERIAL THICKNESS0.188 INCHES NOMINAL
RECESS ANGLE90.0 DEGREES NOMINAL