Part Details | MACHINE SCREW
5305-01-167-3291 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: S503 AND S502, PSN 91556102, PSN 91-556-1-02, 915561002, 91-556-1-002, S503 AND S502, 803135828 PC4,, 803-135828 PC4,, 5305-01-167-3291, 01-167-3291, 5305011673291, 011673291
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | NOV 24, 1983 | 01-167-3291 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-01-167-3291
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| S503 AND S502 | 54578 | GRINNELL CORPSUB OF TYCO INTL US INC |
| PSN 91-556-1-02 | 54578 | GRINNELL CORPSUB OF TYCO INTL US INC |
| 91-556-1-002 | 54578 | GRINNELL CORPSUB OF TYCO INTL US INC |
| S503 AND S502 | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| 803-135828 PC4, | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 5305-01-167-3291
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.232 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| FASTENER LENGTH | 0.282 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| SCREW MATERIAL | 9$DST0302$DST0180$DST0303$DST0166$DST0079$DST0157$DST0165$DST0304$DST0080 |
| HEAD STYLE | 1 UNDERCUT HEXAGON |
| HEAD DIAMETER | 1.028 INCHES MINIMUM AND 1.073 INCHES MAXIMUM |
| HEAD HEIGHT | 0.250 INCHES MINIMUM AND 0.280 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |
| SPECIAL FEATURES | FURNISHED WITH FENDER WASHER PART N0. S502 |