NSN 5310-01-261-6718

Part Details | RECESSED WASHER

5310-01-261-6718 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: 7402235, 5310-01-261-6718, 01-261-6718, 5310012616718, 012616718

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 17, 198701-261-671815933 ( WASHER, RECESSED )
REFERENCE DRAWINGS & PICTURES

SPRING TENSION

Cross Reference | NSN 5310-01-261-6718
Part Number Cage Code Manufacturer
740223519207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 5310-01-261-6718
Characteristic Specifications
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR8 SPRING TENSION
HOLE DIAMETER0.440 INCHES MINIMUM AND 0.450 INCHES MAXIMUM
OUTSIDE DIAMETER0.844 INCHES NOMINAL
MATERIAL THICKNESS0.188 INCHES NOMINAL
TOP RECESS DIAMETER0.505 INCHES MINIMUM AND 0.520 INCHES MAXIMUM
BOTTOM RECESS DIAMETER0.505 INCHES MINIMUM AND 0.520 INCHES MAXIMUM
BOTTOM RECESS ANGLE90.0 DEGREES NOMINAL
TOP RECESS ANGLE90.0 DEGREES NOMINAL