NSN 5310-00-685-2493

Part Details | RECESSED WASHER

5310-00-685-2493 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: 3770181, 377018-1, 5310-00-685-2493, 00-685-2493, 5310006852493, 006852493

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-685-249315933 ( WASHER, RECESSED )
REFERENCE DRAWINGS & PICTURES

SPRING TENSION

Cross Reference | NSN 5310-00-685-2493
Part Number Cage Code Manufacturer
377018-198897LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
Technical Data | NSN 5310-00-685-2493
Characteristic Specifications
STYLE DESIGNATOR5 SPRING TENSION
HOLE DIAMETER0.765 INCHES MINIMUM AND 0.776 INCHES MAXIMUM
OUTSIDE DIAMETER1.210 INCHES MINIMUM AND 1.230 INCHES MAXIMUM
OVERALL HEIGHT0.153 INCHES MINIMUM AND 0.167 INCHES MAXIMUM
RECESS DIAMETER0.900 INCHES NOMINAL
RECESS DEPTH0.064 INCHES NOMINAL
MATERIAL THICKNESS0.153 INCHES NOMINAL
RECESS ANGLE90.0 DEGREES NOMINAL
HEAT TREATMENT HARDENED AND TEMPERED AND COLD FINISH