NSN 5310-00-451-0056

Part Details | RECESSED WASHER

5310-00-451-0056 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: 3235261, 323526-1, 5310-00-451-0056, 00-451-0056, 5310004510056, 004510056

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 02, 197000-451-005615933 ( WASHER, RECESSED )
REFERENCE DRAWINGS & PICTURES

SPRING TENSION

Cross Reference | NSN 5310-00-451-0056
Part Number Cage Code Manufacturer
323526-180020NAVAL AIR WARFARE CENTER AIRCRAFTDIVISION CODE 4.8.8.0.0.B BLDG 148-2
Technical Data | NSN 5310-00-451-0056
Characteristic Specifications
HARDNESS RATINGRCB39.0 ROCKWELL C MAXIMUM AND 43.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR5 SPRING TENSION
HOLE DIAMETER1.252 INCHES MINIMUM AND 1.256 INCHES MAXIMUM
OUTSIDE DIAMETER2.560 INCHES MINIMUM AND 2.570 INCHES MAXIMUM
OVERALL HEIGHT0.099 INCHES MINIMUM AND 0.119 INCHES MAXIMUM
RECESS DIAMETER1.430 INCHES MINIMUM AND 1.440 INCHES MAXIMUM
RECESS DEPTH0.089 INCHES NOMINAL
MATERIAL THICKNESS0.109 INCHES NOMINAL
RECESS ANGLE90.0 DEGREES NOMINAL
TEST DATA DOCUMENT81349-MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
HEAT TREATMENT AS FABRICATED