NSN 5310-00-249-5178

Part Details | RECESSED WASHER

5310-00-249-5178 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: B3120010991, B312001099-1, B3120010991, B312001099-1, 5310-00-249-5178, 00-249-5178, 5310002495178, 002495178

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 19, 196900-249-517815933 ( WASHER, RECESSED )
REFERENCE DRAWINGS & PICTURES

SPRING TENSION

Cross Reference | NSN 5310-00-249-5178
Part Number Cage Code Manufacturer
B312001099-188818KEARFOTT CORPORATIONDBA KEARFOTT
B312001099-114804SINGER CO THEKEARFOTT DIV
Technical Data | NSN 5310-00-249-5178
Characteristic Specifications
STYLE DESIGNATOR5 SPRING TENSION
HOLE DIAMETER0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM
RECESS DIAMETER0.760 INCHES MINIMUM AND 0.770 INCHES MAXIMUM
MATERIAL THICKNESS0.312 INCHES NOMINAL
RECESS ANGLE79.0 DEGREES MINIMUM AND 81.0 DEGREES MAXIMUM
SPECIAL FEATURES2 HOLES 0.055 IN. DIA BY 0.017 IN. DEEP LOCATED ON RECESSED SIDE ON 1.312 IN. CIRCLE DIA 180 DEG APART
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT