NSN 5310-00-739-4190

Part Details | RECESSED WASHER

5310-00-739-4190 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: 7790850, 7790850, 5310-00-739-4190, 00-739-4190, 5310007394190, 007394190

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196100-739-419015933 ( WASHER, RECESSED )
REFERENCE DRAWINGS & PICTURES

SPRING TENSION

Cross Reference | NSN 5310-00-739-4190
Part Number Cage Code Manufacturer
779085019205SPRINGFIELD ARMORY
779085019200US ARMY ARDEC RDECOM
Technical Data | NSN 5310-00-739-4190
Characteristic Specifications
HARDNESS RATINGRCB33.0 ROCKWELL C MAXIMUM AND 38.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR5 SPRING TENSION
HOLE DIAMETER0.395 INCHES MINIMUM AND 0.400 INCHES MAXIMUM
OUTSIDE DIAMETER0.570 INCHES MINIMUM AND 0.610 INCHES MAXIMUM
RECESS DIAMETER0.515 INCHES NOMINAL
RECESS DEPTH0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
MATERIAL THICKNESS0.110 INCHES MINIMUM AND 0.115 INCHES MAXIMUM