Part Details | MACHINE SCREW
5305-00-012-8643 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: 832UNC2AX38, 8-32UNC2AX3-8, 100497722, 10049772-2, 832UNC2AX38, 8-32UNC2AX3-8, 5305-00-012-8643, 00-012-8643, 5305000128643, 000128643
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1961 | 00-012-8643 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-012-8643
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8-32UNC2AX3-8 | 09101 | AUSTIN CONTINENTAL INDUSTRIES INC |
| 10049772-2 | 18876 | U S ARMY AVIATION AND MISSILECOMMAND |
| 8-32UNC2AX3-8 | 28210 | UNITED STANDARD INDUSTRIES, INC. |
Technical Data | NSN 5305-00-012-8643
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM |
| FASTENER LENGTH | 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM |
| SCREW MATERIAL | PLASTIC POLYAMIDE |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | MIL-M-20693,TYPE 2 MIL SPEC SINGLE MATERIAL RESPONSE |
| HEAD STYLE | 8 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.300 INCHES MINIMUM AND 0.305 INCHES MAXIMUM |
| HEAD HEIGHT | 0.115 INCHES MINIMUM AND 0.120 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |
| SPECIAL FEATURES | SERRATED STEEL CORE THRU LONGITUDINAL AXIS |