|
|
|
National Stock Number:
5305-00-502-0723
Federal Supply Class:
5305
National Item Identification Number:
005020723
Description:
SCREW,MACHINE
Detail:
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.
|
Manufacturer Information:
| 5020723 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE |
|
Techincal Specification:
| COUNTERSINK ANGLE | 79.0 DEGREES MINIMUM AND 80.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.875 INCHES NOMINAL | | HEAD DIAMETER | 0.450 INCHES MINIMUM AND 0.460 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | SLOT | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SCREW MATERIAL | STEEL COMP 1021 OR STEEL COMP 1022 | | SCREW SURFACE TREATMENT | PHOSPHATE | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.375 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF |
|
|