Part Details | MACHINE SCREW
5305-00-279-4387 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: 4149392P019, 5305-00-279-4387, 00-279-4387, 5305002794387, 002794387
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | AUG 08, 1973 | 00-279-4387 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-279-4387
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 4149392P019 | 97424 | AMETEK INC.DBA AMETEK AEROSPACE & DEFENSE |
Technical Data | NSN 5305-00-279-4387
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.073 INCHES |
| THREAD QUANTITY PER INCH | 72 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.226 INCHES MINIMUM AND 0.236 INCHES MAXIMUM |
| FASTENER LENGTH | 0.250 INCHES NOMINAL |
| SCREW MATERIAL | 3$4$DCU0074$DCU0076$DCU0079$DCU0081$DCU0274$DCU0103$DCU0148$DCU0150$DCU0757$DCU0152$DCU0157 |
| HEAD STYLE | 2 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.127 INCHES MINIMUM AND 0.133 INCHES MAXIMUM |
| HEAD HEIGHT | 0.016 INCHES MINIMUM AND 0.022 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |