NSN 5305-00-257-1976
Part Details | SETSCREW
5305-00-257-1976 An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.
Alternate Parts: SF638X1 12, SF63-8X1 1-2, FFS103TYPE1STYLE5, 5305-00-257-1976, 00-257-1976, 5305002571976, 002571976
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-257-1976 | 06672 ( SETSCREW ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
FLAT
CROSS RECESS TYPE II
Cross Reference | NSN 5305-00-257-1976
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| SF63-8X1 1-2 | 88080 | COOPER CAMERON CORPCOOPER BESSEMER |
| FFS103TYPE1STYLE5 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
Technical Data | NSN 5305-00-257-1976
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 16 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.500 INCHES MAXIMUM |
| FASTENER LENGTH | 1.438 INCHES MINIMUM AND 1.500 INCHES MAXIMUM |
| HEAD STYLE | 3 HEXAGON |
| HEAD HEIGHT | 0.270 INCHES MINIMUM AND 0.293 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 1 CROSS RECESS TYPE II |
| POINT STYLE | 7 FLAT |
| FEATURES PROVIDED | CASEHARDENED |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 5 STYLE |