NSN 5310-00-478-1912

Part Details | RECESSED WASHER

5310-00-478-1912 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: 266141, 5310-00-478-1912, 00-478-1912, 5310004781912, 004781912

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-478-191215933 ( WASHER, RECESSED )
REFERENCE DRAWINGS & PICTURES

SPRING TENSION

Cross Reference | NSN 5310-00-478-1912
Part Number Cage Code Manufacturer
26614198897LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
Technical Data | NSN 5310-00-478-1912
Characteristic Specifications
STYLE DESIGNATOR5 SPRING TENSION
HOLE DIAMETER0.280 INCHES MINIMUM AND 0.300 INCHES MAXIMUM
OUTSIDE DIAMETER0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM
RECESS DIAMETER0.4375 INCHES MINIMUM AND 0.4377 INCHES MAXIMUM
MATERIAL THICKNESS0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
RECESS ANGLE90.0 DEGREES NOMINAL