NSN 5310-00-326-3721
Part Details | RECESSED WASHER
5310-00-326-3721 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: A51B2512912, A51B25129-12, A51B2512912, A51B25129-12, 5310-00-326-3721, 00-326-3721, 5310003263721, 003263721
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | DEC 03, 1973 | 00-326-3721 | 15933 ( WASHER, RECESSED ) |
REFERENCE DRAWINGS & PICTURES
SPRING TENSION
Cross Reference | NSN 5310-00-326-3721
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| A51B25129-12 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS |
| A51B25129-12 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE |
Technical Data | NSN 5310-00-326-3721
| Characteristic | Specifications |
|---|---|
| HARDNESS RATING | RCB39.0 ROCKWELL C MAXIMUM AND 42.0 ROCKWELL C MAXIMUM |
| STYLE DESIGNATOR | 5 SPRING TENSION |
| HOLE DIAMETER | 1.135 INCHES MINIMUM AND 1.150 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 1.970 INCHES MINIMUM AND 2.030 INCHES MAXIMUM |
| RECESS DIAMETER | 1.375 INCHES NOMINAL |
| MATERIAL THICKNESS | 0.188 INCHES NOMINAL |
| RECESS ANGLE | 90.0 DEGREES NOMINAL |
| HEAT TREATMENT | QUENCHED AND TEMPERED |