Part Details | TAPPING SCREW
5305-01-021-2520 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, MS51869C15, 5305-01-021-2520, 01-021-2520, 5305010212520, 010212520
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAY 11, 1976 | 01-021-2520 | 41756 ( SCREW, TAPPING ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON EXTENDED WASHER
Cross Reference | NSN 5305-01-021-2520
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| FF-S-107 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| MS51869C15 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
Technical Data | NSN 5305-01-021-2520
| Characteristic | Specifications |
|---|---|
| NONMACHINE NOMINAL THREAD DIAMETER | 0.190 INCHES |
| FASTENER LENGTH | 0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON EXTENDED WASHER |
| HEAD HEIGHT | 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 0.384 INCHES MINIMUM AND 0.414 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.019 INCHES MINIMUM AND 0.031 INCHES MAXIMUM |
| SPECIAL FEATURES | TRIANGLE /TAPITE/ SHAPE THREADS |
| NONDEFINITIVE SPEC/STD DATA | YSF$YSW$YTT |