NSN 5310-00-187-7318

Part Details | RECESSED WASHER

5310-00-187-7318 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: 4F50265105A, 4F50265-105A, 5310-00-187-7318, 00-187-7318, 5310001877318, 001877318

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 08, 197200-187-731815933 ( WASHER, RECESSED )
REFERENCE DRAWINGS & PICTURES

SPRING TENSION

Cross Reference | NSN 5310-00-187-7318
Part Number Cage Code Manufacturer
4F50265-105A98897LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
Technical Data | NSN 5310-00-187-7318
Characteristic Specifications
STYLE DESIGNATOR5 SPRING TENSION
HOLE DIAMETER0.284 INCHES MINIMUM AND 0.294 INCHES MAXIMUM
OUTSIDE DIAMETER0.531 INCHES NOMINAL
RECESS DIAMETER0.334 INCHES MINIMUM AND 0.344 INCHES MAXIMUM
MATERIAL THICKNESS0.045 INCHES NOMINAL
RECESS ANGLE88.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH