NSN 5310-00-187-9727
Part Details | RECESSED WASHER
5310-00-187-9727 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: MS976809, MS9768-09, 10116659, 5310-00-187-9727, 00-187-9727, 5310001879727, 001879727
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAR 11, 1973 | 00-187-9727 | 15933 ( WASHER, RECESSED ) |
REFERENCE DRAWINGS & PICTURES
SPRING TENSION
Cross Reference | NSN 5310-00-187-9727
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MS9768-09 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
| 10116659 | A486G | NIMIKKEISTOKESKUS NCB FINLAND |
Technical Data | NSN 5310-00-187-9727
| Characteristic | Specifications |
|---|---|
| HARDNESS RATING | 29.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM |
| STYLE DESIGNATOR | 8 SPRING TENSION |
| HOLE DIAMETER | 0.192 INCHES MINIMUM AND 0.200 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM |
| TOP RECESS DIAMETER | 0.236 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| BOTTOM RECESS DIAMETER | 0.236 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| BOTTOM RECESS ANGLE | 86.0 DEGREES MINIMUM AND 94.0 DEGREES MAXIMUM |
| TOP RECESS ANGLE | 86.0 DEGREES MINIMUM AND 94.0 DEGREES MAXIMUM |