Part Details | MACHINE SCREW
5305-01-379-8144 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: 803138562353, 803-1385623-53, 8031385623065253, 803-1385623-0652-53, 1385623065253, 1385623-0652-53, 138562306XX53, 1385623-06XX-53, 803138562306X X53, 803-1385623-06X X-53, 5305-01-379-8144, 01-379-8144, 5305013798144, 013798144
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | SEP 08, 1993 | 01-379-8144 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-01-379-8144
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 803-1385623-53 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 803-1385623-0652-53 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 1385623-0652-53 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 1385623-06XX-53 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 803-1385623-06X X-53 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
Technical Data | NSN 5305-01-379-8144
| 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 | 1.025 INCHES MINIMUM AND 2.187 INCHES MAXIMUM |
| FASTENER LENGTH | 1.125 INCHES NOMINAL |
| SCREW MATERIAL | NICKEL ALLOY 400 |
| LOCKING FEATURE MATERIAL | PLASTIC POLYAMIDE |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-B164 ASSN STD SINGLE MATERIAL RESPONSE |
| HEAD STYLE | 4 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.844 INCHES NOMINAL |
| HEAD HEIGHT | 0.050 INCHES MINIMUM AND 0.100 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |