NSN 5310-00-990-9278
Part Details | DOUBLE HEXAGON EXTENDED WASHER SELF-LOCKING NUT
5310-00-990-9278 A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.
Alternate Parts: VN470F048, BMN90L224, BMN90L22-4, GN511W4, FN922428, FN922-428, 102706732, 10270673-2, 5310-00-990-9278, 00-990-9278, 5310009909278, 009909278
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1962 | 00-990-9278 | 29729 ( NUT, SELF-LOCKING, EXTENDED WASHER, DOUBLE HEXAGON ) |
REFERENCE DRAWINGS & PICTURES
DOUBLE HEXAGON
Cross Reference | NSN 5310-00-990-9278
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| VN470F048 | 06950 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
| BMN90L22-4 | 97928 | HUCK INTL INC |
| GN511W4 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS |
| FN922-428 | 56878 | SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION |
| 10270673-2 | 18876 | U S ARMY AVIATION AND MISSILECOMMAND |
Technical Data | NSN 5310-00-990-9278
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UNF |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM |
| NUT STYLE | DOUBLE HEXAGON |
| WASHER OUTSIDE DIAMETER | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| OVERALL HEIGHT | 0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM |
| WASHER THICKNESS | 0.030 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| TEMP RATING | 900.0 DEG FAHRENHEIT NOMINAL |