NSN 5310-00-891-8401
Part Details | RECESSED WASHER
5310-00-891-8401 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: 1400072520C4, 140-007-25-20C4, 5310-00-891-8401, 00-891-8401, 5310008918401, 008918401
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 25, 1967 | 00-891-8401 | 15933 ( WASHER, RECESSED ) |
REFERENCE DRAWINGS & PICTURES
SPRING TENSION
Cross Reference | NSN 5310-00-891-8401
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 140-007-25-20C4 | 97499 | BELL HELICOPTER TEXTRON INC.DBA BELL HELICOPTER |
Technical Data | NSN 5310-00-891-8401
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | 8 SPRING TENSION |
| HOLE DIAMETER | 0.391 INCHES NOMINAL |
| OUTSIDE DIAMETER | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| TOP RECESS DIAMETER | 0.461 INCHES NOMINAL |
| BOTTOM RECESS DIAMETER | 0.471 INCHES NOMINAL |
| BOTTOM RECESS ANGLE | 90.5 DEGREES NOMINAL |
| TOP RECESS ANGLE | 89.5 DEGREES NOMINAL |
| MINIMUM TENSILE STRENGTH | 240000 POUNDS PER SQUARE INCH |