Part Details | MACHINE SCREW
5305-01-388-1804 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: 12387271142, 12387271-142, 5305-01-388-1804, 01-388-1804, 5305013881804, 013881804
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAR 23, 1994 | 01-388-1804 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-01-388-1804
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 12387271-142 | 19207 | U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM |
Technical Data | NSN 5305-01-388-1804
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.857 INCHES MINIMUM AND 2.000 INCHES MAXIMUM |
| FASTENER LENGTH | 1.940 INCHES MINIMUM AND 2.000 INCHES MAXIMUM |
| SCREW MATERIAL | 3$5$6$7$8$9$DST1020$DST1021$DST1022 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | FED 66 FED STD ALL MATERIAL RESPONSES |
| SCREW SURFACE TREATMENT | ZINC AND CHROMATE |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171, 1.9.2.3 MIL SPEC SINGLE TREATMENT RESPONSE |
| MINIMUM TENSILE STRENGTH | 60000 POUNDS PER SQUARE INCH |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.270 INCHES MINIMUM AND 0.295 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.614 INCHES MINIMUM |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |