NSN 5310-01-398-4237
Part Details | RECESSED WASHER
5310-01-398-4237 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: MS141558, MS14155-8, MS141558, MS14155-8, 5310-01-398-4237, 01-398-4237, 5310013984237, 013984237
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 18, 1976 | 01-398-4237 | 15933 ( WASHER, RECESSED ) |
REFERENCE DRAWINGS & PICTURES
SPRING TENSION
Cross Reference | NSN 5310-01-398-4237
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MS14155-8 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
| MS14155-8 | 80205 | NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES |
Technical Data | NSN 5310-01-398-4237
| Characteristic | Specifications |
|---|---|
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| STYLE DESIGNATOR | 8 SPRING TENSION |
| HOLE DIAMETER | 0.501 INCHES MINIMUM AND 0.505 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.994 INCHES MINIMUM AND 1.004 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.149 INCHES MINIMUM AND 0.163 INCHES MAXIMUM |
| TOP RECESS DIAMETER | 0.619 INCHES MINIMUM AND 0.629 INCHES MAXIMUM |
| BOTTOM RECESS DIAMETER | 0.619 INCHES MINIMUM AND 0.629 INCHES MAXIMUM |
| BOTTOM RECESS ANGLE | 90.0 DEGREES NOMINAL |
| TOP RECESS ANGLE | 90.0 DEGREES NOMINAL |
| SPECIAL FEATURES | . |