Part Details | MACHINE SCREW
5305-00-639-6959 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: 23403, 5305-00-639-6959, 00-639-6959, 5305006396959, 006396959
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-639-6959 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
Cross Reference | NSN 5305-00-639-6959
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 23403 | 08645 | BRIGGS AND STRATTON CORP |
Technical Data | NSN 5305-00-639-6959
| 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 | 0.219 INCHES MINIMUM |
| FASTENER LENGTH | 0.625 INCHES NOMINAL |
| SCREW MATERIAL | STEEL COMP 1035 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE |
| HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM |
| MINIMUM TENSILE STRENGTH | 170000 POUNDS PER SQUARE INCH |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.141 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.312 INCHES NOMINAL |