NSN 5310-00-470-2940
Part Details | RECESSED WASHER
5310-00-470-2940 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: MS948211, MS9482-11, 5310-00-470-2940, 00-470-2940, 5310004702940, 004702940
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 15, 1971 | 00-470-2940 | 15933 ( WASHER, RECESSED ) |
REFERENCE DRAWINGS & PICTURES
SPRING TENSION
Cross Reference | NSN 5310-00-470-2940
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MS9482-11 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
Technical Data | NSN 5310-00-470-2940
| Characteristic | Specifications |
|---|---|
| HARDNESS RATING | RCB50.0 ROCKWELL C MAXIMUM AND 56.0 ROCKWELL C MAXIMUM |
| STYLE DESIGNATOR | 8 SPRING TENSION |
| HOLE DIAMETER | 0.317 INCHES MINIMUM AND 0.332 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.680 INCHES MINIMUM AND 0.700 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM |
| TOP RECESS DIAMETER | 0.394 INCHES NOMINAL |
| BOTTOM RECESS DIAMETER | 0.404 INCHES NOMINAL |
| BOTTOM RECESS ANGLE | 100.0 DEGREES NOMINAL |
| TOP RECESS ANGLE | 80.0 DEGREES NOMINAL |
| HEAT TREATMENT | QUENCHED AND TEMPERED |