Part Details | ASSEMBLED WASHER SELF-LOCKING NUT
5310-01-221-7020 A nut on which has been assembled a nonremovable washer. An integral feature is incorporated for locking on the threads of a mating member.
Alternate Parts: KFN5424S, KFN542-4S, KFN5424S, KFN542-4S, 5310-01-221-7020, 01-221-7020, 5310012217020, 012217020
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | DEC 03, 1985 | 01-221-7020 | 29736 ( NUT, SELF-LOCKING, ASSEMBLED WASHER ) |
REFERENCE DRAWINGS & PICTURES
FLAT WITH TURNED UP EDGE
Cross Reference | NSN 5310-01-221-7020
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| KFN542-4S | 75237 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
| KFN542-4S | 15653 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
Technical Data | NSN 5310-01-221-7020
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UNJF |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| NUT STYLE | FLAT WITH TURNED UP EDGE |
| WASHER OUTSIDE DIAMETER | 0.460 INCHES MAXIMUM |
| OVERALL HEIGHT | 0.280 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.306 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| LOCKING FEATURE | FREE-RUNNING ALL METAL DESIGN |
| TEMP RATING | 450.0 DEG FAHRENHEIT MAXIMUM |
| SPECIAL FEATURES | WASHER ROCKWELL C SCALE 40.0 MIN AND 45.0 MAXZ USE WITH K-FAST AUTOMATIC TOOL |