NSN 5305-00-038-1957
Part Details | MACHINE SCREW
5305-00-038-1957 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: 50424, X3762, X03762, 5305-00-038-1957, 00-038-1957, 5305000381957, 000381957
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | JAN 01, 1963 | 00-038-1957 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-038-1957
Part Number | Cage Code | Manufacturer |
---|---|---|
50424 | 96046 | CRANE PUMPS & SYSTEMS, INC. |
X3762 | 14351 | TELEDYNE CONTINENTAL MOTORSINDUSTRIAL PRODUCTS DIV |
X03762 | 14351 | TELEDYNE CONTINENTAL MOTORSINDUSTRIAL PRODUCTS DIV |
Technical Data | NSN 5305-00-038-1957
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNC |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
THREAD QUANTITY PER INCH | 20 |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.375 INCHES MAXIMUM |
FASTENER LENGTH | 0.375 INCHES NOMINAL |
SCREW MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE |
HEAD DIAMETER | 0.438 INCHES NOMINAL |
HEAD HEIGHT | 0.109 INCHES NOMINAL |
INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |