Part Details | RECESSED WASHER
5310-01-288-1256 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: AS214, AS21-4, 8850001002, 88-50001-002, 8850001002, 88-50001-002, 5310-01-288-1256, 01-288-1256, 5310012881256, 012881256
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | NOV 03, 1988 | 01-288-1256 | 15933 ( WASHER, RECESSED ) |
REFERENCE DRAWINGS & PICTURES
SPRING TENSION
Cross Reference | NSN 5310-01-288-1256
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| AS21-4 | 10630 | ANILLO INDUSTRIES, INC.DBA ANILLO INDUSTRIES |
| 88-50001-002 | 14170 | HUGHES MISSILE SYSTEMS COSAN DIEGO |
| 88-50001-002 | 15090 | RAYTHEON COMPANYDBA RAYTHEON |
Technical Data | NSN 5310-01-288-1256
| Characteristic | Specifications |
|---|---|
| HARDNESS RATING | 24.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM |
| STYLE DESIGNATOR | 5 SPRING TENSION |
| HOLE DIAMETER | 0.252 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM |
| RECESS DIAMETER | 0.334 INCHES MINIMUM AND 0.344 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.064 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| RECESS ANGLE | 90.0 DEGREES NOMINAL |