NSN 5310-00-839-2020
Part Details | RECESSED WASHER
5310-00-839-2020 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: 51210S4, AS158S4, AS158-S4, 5310-00-839-2020, 00-839-2020, 5310008392020, 008392020
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | DEC 21, 1966 | 00-839-2020 | 15933 ( WASHER, RECESSED ) |
REFERENCE DRAWINGS & PICTURES
SPRING TENSION
Cross Reference | NSN 5310-00-839-2020
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 51210S4 | 84256 | AVIBANK MFG., INC. |
| AS158-S4 | 84256 | AVIBANK MFG., INC. |
Technical Data | NSN 5310-00-839-2020
| Characteristic | Specifications |
|---|---|
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM |
| STYLE DESIGNATOR | 6 SPRING TENSION |
| HOLE DIAMETER | 0.253 INCHES MINIMUM AND 0.259 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.505 INCHES MINIMUM AND 0.523 INCHES MAXIMUM |
| OVERALL HEIGHT | 0.216 INCHES MINIMUM AND 0.225 INCHES MAXIMUM |
| RECESS DEPTH | 0.153 INCHES MINIMUM AND 0.162 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.104 INCHES MINIMUM AND 0.108 INCHES MAXIMUM |