NSN 5310-00-253-7651
Part Details | RECESSED WASHER
5310-00-253-7651 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: S1620641754, S1620-64175-4, 5310-00-253-7651, 00-253-7651, 5310002537651, 002537651
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JUL 30, 1969 | 00-253-7651 | 15933 ( WASHER, RECESSED ) |
REFERENCE DRAWINGS & PICTURES
SPRING TENSION
Cross Reference | NSN 5310-00-253-7651
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| S1620-64175-4 | 78286 | SIKORSKY AIRCRAFT CORPORATIONDBA SIKORSKY |
Technical Data | NSN 5310-00-253-7651
| Characteristic | Specifications |
|---|---|
| HARDNESS RATING | RCB26.0 ROCKWELL C MAXIMUM AND 33.0 ROCKWELL C MAXIMUM |
| STYLE DESIGNATOR | 6 SPRING TENSION |
| HOLE DIAMETER | 0.375 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.625 INCHES NOMINAL |
| OVERALL HEIGHT | 0.188 INCHES NOMINAL |
| RECESS DEPTH | 0.125 INCHES NOMINAL |
| MATERIAL THICKNESS | 0.131 INCHES MINIMUM AND 0.136 INCHES MAXIMUM |
| MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |