NSN 5310-00-104-6640
Part Details | RECESSED WASHER
5310-00-104-6640 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: 5310001046640, 10231183, 5310-00-104-6640, 00-104-6640, 5310001046640, 001046640
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JUL 01, 1968 | 00-104-6640 | 15933 ( WASHER, RECESSED ) |
REFERENCE DRAWINGS & PICTURES
SPRING TENSION
Cross Reference | NSN 5310-00-104-6640
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5310001046640 | A00AM | E.C.A ETABLISSEMENT CENTRALDESAPPROVISIONNEMENTS DES FORCES |
| 10231183 | 18876 | U S ARMY AVIATION AND MISSILECOMMAND |
Technical Data | NSN 5310-00-104-6640
| Characteristic | Specifications |
|---|---|
| HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM |
| STYLE DESIGNATOR | 5 SPRING TENSION |
| HOLE DIAMETER | 1.265 INCHES MINIMUM AND 1.285 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 2.188 INCHES NOMINAL |
| RECESS DIAMETER | 1.425 INCHES MINIMUM AND 1.445 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM |
| RECESS ANGLE | 45.0 DEGREES NOMINAL |
| HEAT TREATMENT | AS FABRICATED |
