NSN 5310-00-439-2542
Part Details | RECESSED WASHER
5310-00-439-2542 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: B3122010131, B312201013-1, 5310-00-439-2542, 00-439-2542, 5310004392542, 004392542
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | DEC 08, 1969 | 00-439-2542 | 15933 ( WASHER, RECESSED ) |
REFERENCE DRAWINGS & PICTURES
SPRING TENSION
Cross Reference | NSN 5310-00-439-2542
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| B312201013-1 | 88818 | KEARFOTT CORPORATIONDBA KEARFOTT |
Technical Data | NSN 5310-00-439-2542
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | 5 SPRING TENSION |
| HOLE DIAMETER | 0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM |
| RECESS DIAMETER | 0.775 INCHES MINIMUM AND 0.785 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.197 INCHES MINIMUM AND 0.203 INCHES MAXIMUM |
| RECESS ANGLE | 59.0 DEGREES MINIMUM AND 61.0 DEGREES MAXIMUM |
| SPECIAL FEATURES | 32 MICROINCH AA FINISH ON COUNTERSUNK SURFACE |