NSN 5310-00-149-9749

Part Details | RECESSED WASHER

5310-00-149-9749 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: 6570070025156, 65700-70025-156, 5310-00-149-9749, 00-149-9749, 5310001499749, 001499749

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 10, 197100-149-974915933 ( WASHER, RECESSED )
REFERENCE DRAWINGS & PICTURES

SPRING TENSION

Cross Reference | NSN 5310-00-149-9749
Part Number Cage Code Manufacturer
65700-70025-15678286SIKORSKY AIRCRAFT CORPORATIONDBA SIKORSKY
Technical Data | NSN 5310-00-149-9749
Characteristic Specifications
HARDNESS RATING34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR8 SPRING TENSION
HOLE DIAMETER0.700 INCHES NOMINAL
OUTSIDE DIAMETER1.250 INCHES NOMINAL
MATERIAL THICKNESS0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM
TOP RECESS DIAMETER0.820 INCHES NOMINAL
BOTTOM RECESS DIAMETER0.820 INCHES NOMINAL
BOTTOM RECESS ANGLE45.0 DEGREES NOMINAL
TOP RECESS ANGLE45.0 DEGREES NOMINAL
HEAT TREATMENT NORMALIZED
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH