Part Details | TAPPING SCREW
5305-00-921-3897 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: 171027, FFS107, 5305-00-921-3897, 00-921-3897, 5305009213897, 009213897
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | FEB 18, 1966 | 00-921-3897 | 41756 ( SCREW, TAPPING ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
CROSS RECESS TYPE II
NARROW FLUTE (TYPE E)
Cross Reference | NSN 5305-00-921-3897
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 171027 | 21450 | ARMY WEAPONS COMMANDATTN AMSWE-REE-S |
| FFS107 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
Technical Data | NSN 5305-00-921-3897
| Characteristic | Specifications |
|---|---|
| NONMACHINE THREAD STYLE | 2 NARROW FLUTE (TYPE E) |
| NONMACHINE NOMINAL THREAD DIAMETER | 0.250 INCHES |
| FASTENER LENGTH | 0.625 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 1 CROSS RECESS TYPE II |
| FEATURES PROVIDED | CASEHARDENED |
| NONDEFINITIVE SPEC/STD DATA | C TYPE |