NSN 5305-00-017-4256
Part Details | SETSCREW
5305-00-017-4256 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: 6410401, 641040-1, 5305-00-017-4256, 00-017-4256, 5305000174256, 000174256
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAY 24, 1968 | 00-017-4256 | 06672 ( SETSCREW ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON
DOG
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-017-4256
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 641040-1 | 22907 | HELIGEAR ACQUISITION CO.DBA NORTHSTAR AEROSPACE (CHICAGO) |
Technical Data | NSN 5305-00-017-4256
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.327 INCHES MINIMUM AND 0.447 INCHES MAXIMUM |
| FASTENER LENGTH | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
| HEAD STYLE | 4 CROWNED HEXAGON |
| HEAD DIAMETER | 0.389 INCHES MINIMUM AND 0.414 INCHES MAXIMUM |
| HEAD HEIGHT | 0.161 INCHES MINIMUM AND 0.170 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| POINT STYLE | DOG |
| POINT LENGTH | 0.188 INCHES NOMINAL |
| POINT DIAMETER | 0.155 INCHES MINIMUM AND 0.157 INCHES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
