NSN 5310-01-057-3771
Part Details | RECESSED WASHER
5310-01-057-3771 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: MS21206C14, MS21206-C14, 5310-01-057-3771, 01-057-3771, 5310010573771, 010573771
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAR 11, 1978 | 01-057-3771 | 15933 ( WASHER, RECESSED ) |
REFERENCE DRAWINGS & PICTURES
SPRING TENSION
Cross Reference | NSN 5310-01-057-3771
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MS21206-C14 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
Technical Data | NSN 5310-01-057-3771
| Characteristic | Specifications |
|---|---|
| HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| STYLE DESIGNATOR | 5 SPRING TENSION |
| HOLE DIAMETER | 0.877 INCHES MINIMUM AND 0.881 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 1.562 INCHES MINIMUM AND 1.572 INCHES MAXIMUM |
| RECESS DIAMETER | 1.028 INCHES MINIMUM AND 1.038 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.071 INCHES MINIMUM AND 0.085 INCHES MAXIMUM |
| RECESS ANGLE | 89.0 DEGREES MINIMUM AND 91.0 DEGREES MAXIMUM |