Part Details | MACHINE SCREW
5305-00-726-1142 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: HT5UA8, HT403A58, HT403A5-8, HT403A58, HT403A5-8, HT403A58, HT403A5-8, 3M4758, 3M47-5-8, HT5UA8, HT5UA8, HT5UA8, 542668, 54266-8, 542668, 54266-8, 5305-00-726-1142, 00-726-1142, 5305007261142, 007261142
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | FEB 21, 1968 | 00-726-1142 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON
HIGH-TORQUE
Cross Reference | NSN 5305-00-726-1142
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| HT5UA8 | C4293 | ALCOA FASTENING SYSTEMSFAIRCHILDFASTENERS EUROPE - VSD GMBH |
| HT403A5-8 | C4293 | ALCOA FASTENING SYSTEMSFAIRCHILDFASTENERS EUROPE - VSD GMBH |
| HT403A5-8 | 92215 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
| HT403A5-8 | 06950 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
| 3M47-5-8 | 76301 | BOEING COMPANY, THEDBA BOEING |
| HT5UA8 | 73197 | HI-SHEAR CORPORATION |
| HT5UA8 | L4528 | LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC |
| HT5UA8 | R1120 | SATAIR A/S |
| 54266-8 | 56878 | SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION |
| 54266-8 | 80539 | SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP |
Technical Data | NSN 5305-00-726-1142
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.531 INCHES MINIMUM |
| FASTENER LENGTH | 1.031 INCHES NOMINAL |
| SCREW MATERIAL | STEEL |
| SCREW SURFACE TREATMENT | CADMIUM |
| HEAD STYLE | 0 CROWNED HEXAGON |
| HEAD DIAMETER | 0.628 INCHES MINIMUM AND 0.633 INCHES MAXIMUM |
| HEAD HEIGHT | 0.087 INCHES MINIMUM AND 0.089 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| INTERNAL DRIVE STYLE | HIGH-TORQUE |