NSN 5310-00-149-9749
Part Details | RECESSED WASHER
5310-00-149-9749 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: 6570070025156, 65700-70025-156, 5310-00-149-9749, 00-149-9749, 5310001499749, 001499749
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | OCT 10, 1971 | 00-149-9749 | 15933 ( WASHER, RECESSED ) |
REFERENCE DRAWINGS & PICTURES
SPRING TENSION
Cross Reference | NSN 5310-00-149-9749
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 65700-70025-156 | 78286 | SIKORSKY AIRCRAFT CORPORATIONDBA SIKORSKY |
Technical Data | NSN 5310-00-149-9749
| Characteristic | Specifications |
|---|---|
| HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| STYLE DESIGNATOR | 8 SPRING TENSION |
| HOLE DIAMETER | 0.700 INCHES NOMINAL |
| OUTSIDE DIAMETER | 1.250 INCHES NOMINAL |
| MATERIAL THICKNESS | 0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM |
| TOP RECESS DIAMETER | 0.820 INCHES NOMINAL |
| BOTTOM RECESS DIAMETER | 0.820 INCHES NOMINAL |
| BOTTOM RECESS ANGLE | 45.0 DEGREES NOMINAL |
| TOP RECESS ANGLE | 45.0 DEGREES NOMINAL |
| HEAT TREATMENT | NORMALIZED |
| MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |