NSN 5305-00-174-3908
Part Details | MACHINE SCREW
5305-00-174-3908 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.
Alternate Parts: 63978PC4, SP9069, 5305-00-174-3908, 00-174-3908, 5305001743908, 001743908
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | JAN 01, 1963 | 00-174-3908 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-174-3908
Part Number | Cage Code | Manufacturer |
---|---|---|
63978PC4 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
SP9069 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 5305-00-174-3908
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNF |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
THREAD QUANTITY PER INCH | 28 |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.500 INCHES MINIMUM |
FASTENER LENGTH | 0.700 INCHES MINIMUM AND 0.720 INCHES MAXIMUM |
SCREW MATERIAL | 7$8 |
SCREW MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-16124 CL 1 COMP A OR B MIL SPEC SINGLE MATERIAL RESPONSE |
HEAD STYLE | 8 DISHED HEXAGON |
HEAD DIAMETER | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
HEAD HEIGHT | 0.190 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |