Part Details | TAPPING SCREW
5305-01-121-1637 A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes SCREW, ASSEMBLED WASHER.
Alternate Parts: FFS107, FF-S-107, MS2462977, MS24629-77, MS2462977, MS24629-77, 5305-01-121-1637, 01-121-1637, 5305011211637, 011211637
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | OCT 31, 1981 | 01-121-1637 | 41756 ( SCREW, TAPPING ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-01-121-1637
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| FF-S-107 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| MS24629-77 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
| MS24629-77 | 80205 | NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES |
Technical Data | NSN 5305-01-121-1637
| Characteristic | Specifications |
|---|---|
| NONMACHINE THREAD STYLE | 2$3$4$6 |
| NONMACHINE NOMINAL THREAD DIAMETER | 0.250 INCHES |
| FASTENER LENGTH | 0.953 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| HEAD STYLE | 2 DISHED HEXAGON |
| HEAD DIAMETER | 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM |
| HEAD HEIGHT | 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| FEATURES PROVIDED | CASEHARDENED |
| NONDEFINITIVE SPEC/STD DATA | Y2$Y3$Y4$Y6 |