Part Details | MACHINE SCREW
5305-00-764-3025 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: HT408A44, HT408A4-4, HT4UA4, HT4UA-4, HT408A44, HT408A4-4, HT408A44, HT408A4-4, 3M4644, 3M46-4-4, HT4UA4, HT4UA-4, HT4UA4, HT4UA-4, 5426644, 54266-4-4, 5426644, 54266-4-4, 5305-00-764-3025, 00-764-3025, 5305007643025, 007643025
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1960 | 00-764-3025 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON
HIGH-TORQUE
Cross Reference | NSN 5305-00-764-3025
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| HT408A4-4 | C4293 | ALCOA FASTENING SYSTEMSFAIRCHILDFASTENERS EUROPE - VSD GMBH |
| HT4UA-4 | C4293 | ALCOA FASTENING SYSTEMSFAIRCHILDFASTENERS EUROPE - VSD GMBH |
| HT408A4-4 | 92215 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
| HT408A4-4 | 06950 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
| 3M46-4-4 | 76301 | BOEING COMPANY, THEDBA BOEING |
| HT4UA-4 | 73197 | HI-SHEAR CORPORATION |
| HT4UA-4 | L4528 | LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC |
| 54266-4-4 | 56878 | SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION |
| 54266-4-4 | 80539 | SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP |
Technical Data | NSN 5305-00-764-3025
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.469 INCHES MINIMUM |
| FASTENER LENGTH | 0.719 INCHES NOMINAL |
| SCREW MATERIAL | 0$DST4140$DST4340$DST8740 |
| SCREW SURFACE TREATMENT | CADMIUM |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 0 CROWNED HEXAGON |
| HEAD DIAMETER | 0.501 INCHES MINIMUM AND 0.506 INCHES MAXIMUM |
| HEAD HEIGHT | 0.071 INCHES MINIMUM AND 0.073 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| INTERNAL DRIVE STYLE | HIGH-TORQUE |
| FEATURES PROVIDED | O RING |