Part Details | MACHINE SCREW
5305-00-473-1992 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: 54759E93PC31, 547-59E93PC31, 2854565ALT4PC31, 285-45-65ALT4PC31, 2286201264ALT4PC31, 228-62-01264ALT4PC31, 5950285PC31, 5950-285PC31, 5305-00-473-1992, 00-473-1992, 5305004731992, 004731992
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-473-1992 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-473-1992
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 547-59E93PC31 | 14921 | CRAMP SHIPBUILDING AND DRYDOCK CO |
| 285-45-65ALT4PC31 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 228-62-01264ALT4PC31 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 5950-285PC31 | 81316 | PORTSMOUTH NAVAL SHIPYARD |
Technical Data | NSN 5305-00-473-1992
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 3.250 INCHES MAXIMUM |
| FASTENER LENGTH | 3.250 INCHES NOMINAL |
| SCREW MATERIAL | 9$DCU0100$DCU0101$8 |
| MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 8 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM |
| HEAD HEIGHT | 0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 1S STYLE |
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY FASTENER LENGTH AND THREAD LENGTH AND MATERIAL AND THREAD CLASS |