NSN 5310-00-257-5850
Part Details | KEY WASHER
5310-00-257-5850 A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes thrust type washer.
Alternate Parts: A51G2012114, A51G20121-14, A51G2012114, A51G20121-14, 5310-00-257-5850, 00-257-5850, 5310002575850, 002575850
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JUN 22, 1973 | 00-257-5850 | 01869 ( WASHER, KEY ) |
REFERENCE DRAWINGS & PICTURES
KEY
Cross Reference | NSN 5310-00-257-5850
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| A51G20121-14 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS |
| A51G20121-14 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE |
Technical Data | NSN 5310-00-257-5850
| Characteristic | Specifications |
|---|---|
| HARDNESS RATING | RCB33.0 ROCKWELL C MAXIMUM AND 37.0 ROCKWELL C MAXIMUM |
| STYLE DESIGNATOR | KEY |
| HOLE DIAMETER | 0.470 INCHES MINIMUM AND 0.480 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.703 INCHES MINIMUM AND 0.735 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY LENGTH | 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY WIDTH | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM |
| INTERNAL STRAIGHT KEY WIDTH | 0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM |
| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.216 INCHES MINIMUM AND 0.220 INCHES MAXIMUM |
| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.349 INCHES MINIMUM AND 0.359 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 0.748 INCHES MINIMUM AND 0.755 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.038 INCHES NOMINAL |
| SPECIAL FEATURES | INTERNAL KEY 135 DEG FROM PREBENT KEY |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |