NSN 5305-00-143-0648
Part Details | MACHINE SCREW
5305-00-143-0648 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: 5267, 5305-00-143-0648, 00-143-0648, 5305001430648, 001430648
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | JAN 01, 1963 | 00-143-0648 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-143-0648
Part Number | Cage Code | Manufacturer |
---|---|---|
5267 | 06650 | BELL AND HOWELL PHILLIPSBURG COCORPORATE OFFICES |
Technical Data | NSN 5305-00-143-0648
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNC |
NOMINAL THREAD DIAMETER | 0.125 INCHES |
THREAD QUANTITY PER INCH | 40 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.312 INCHES MINIMUM |
FASTENER LENGTH | 0.656 INCHES NOMINAL |
SCREW MATERIAL | STEEL COMP 1212 |
SCREW MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE |
HEAD STYLE | 4 UNDERCUT HEXAGON |
HEAD DIAMETER | 0.358 INCHES MINIMUM AND 0.366 INCHES MAXIMUM |
HEAD HEIGHT | 0.156 INCHES NOMINAL |
INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
FEATURES PROVIDED | CASEHARDENED |