NSN 5310-01-057-0186

Part Details | RECESSED WASHER

5310-01-057-0186 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: VA970504001, VA-97-0504-001, MS21206C7, MS21206-C7, 5310-01-057-0186, 01-057-0186, 5310010570186, 010570186

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 05, 197801-057-018615933 ( WASHER, RECESSED )
REFERENCE DRAWINGS & PICTURES

SPRING TENSION

Cross Reference | NSN 5310-01-057-0186
Part Number Cage Code Manufacturer
VA-97-0504-001K0668LEONARDO MW LTD
MS21206-C796906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
Technical Data | NSN 5310-01-057-0186
Characteristic Specifications
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR5 SPRING TENSION
HOLE DIAMETER0.439 INCHES MINIMUM AND 0.443 INCHES MAXIMUM
OUTSIDE DIAMETER0.773 INCHES MINIMUM AND 0.783 INCHES MAXIMUM
RECESS DIAMETER0.559 INCHES MINIMUM AND 0.569 INCHES MAXIMUM
MATERIAL THICKNESS0.071 INCHES MINIMUM AND 0.085 INCHES MAXIMUM
RECESS ANGLE90.0 DEGREES NOMINAL