Part Details | MACHINE SCREW
5305-00-443-5237 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: PB236422, PB23642-2, 5305-00-443-5237, 00-443-5237, 5305004435237, 004435237
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-443-5237 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
CROSS RECESS TYPE 1
ROUND
Cross Reference | NSN 5305-00-443-5237
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| PB23642-2 | 23667 | SMITHS DETECTION, INC.DIV EDGEWOOD |
Technical Data | NSN 5305-00-443-5237
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| THREAD QUANTITY PER INCH | 36 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM |
| FASTENER LENGTH | 2.703 INCHES NOMINAL |
| SCREW MATERIAL | COPPER ALLOY 360 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4610 1 TO 2 HARD ASSN STD SINGLE MATERIAL RESPONSE |
| HARDNESS RATING | 65.0 ROCKWELL B MINIMUM AND 85.5 ROCKWELL B MAXIMUM |
| MINIMUM TENSILE STRENGTH | 60000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 3 DISHED HEXAGON |
| HEAD DIAMETER | 0.259 INCHES MINIMUM AND 0.262 INCHES MAXIMUM |
| HEAD HEIGHT | 0.099 INCHES MINIMUM AND 0.103 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |
| HEAD HOLE CONFIGURATION STYLE | ROUND |
| HOLE QUANTITY | 2 |
| HOLE DIAMETER | 0.040 INCHES NOMINAL |
| SPECIAL FEATURES | HEAD OF SCREW BLACK ENAMEL FINISH |