NSN 5310-00-818-0520
Part Details | RECESSED WASHER
5310-00-818-0520 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: A51B2101411, A51B21014-11, A51B2101411, A51B21014-11, 5310-00-818-0520, 00-818-0520, 5310008180520, 008180520
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | APR 18, 1972 | 00-818-0520 | 15933 ( WASHER, RECESSED ) |
REFERENCE DRAWINGS & PICTURES
SPRING TENSION
Cross Reference | NSN 5310-00-818-0520
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| A51B21014-11 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS |
| A51B21014-11 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE |
Technical Data | NSN 5310-00-818-0520
| Characteristic | Specifications |
|---|---|
| HARDNESS RATING | RCB33.0 ROCKWELL C MAXIMUM AND 37.0 ROCKWELL C MAXIMUM |
| STYLE DESIGNATOR | 6 SPRING TENSION |
| HOLE DIAMETER | 0.378 INCHES MINIMUM AND 0.388 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.750 INCHES NOMINAL |
| RECESS DIAMETER | 0.483 INCHES MINIMUM AND 0.495 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.080 INCHES NOMINAL |
| RECESS ANGLE | 90.0 DEGREES NOMINAL |
| TEST DATA DOCUMENT | 81349-MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| HEAT TREATMENT | AS FABRICATED |