Part Details | MACHINE SCREW
5305-01-391-5027 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: 12389429, 5305-01-391-5027, 01-391-5027, 5305013915027, 013915027
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JUN 13, 1994 | 01-391-5027 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
Cross Reference | NSN 5305-01-391-5027
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 12389429 | 19207 | U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM |
Technical Data | NSN 5305-01-391-5027
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| FASTENER LENGTH | 0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| SCREW MATERIAL | 2$4$5$DST0316 |
| LOCKING FEATURE MATERIAL | PLASTIC POLYAMIDE |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A493 ASSN STD SINGLE MATERIAL RESPONSE |
| LOCKING FEATURE MATERIAL DOCUMENT AND CLASSIFICATION | MIL-F-18240, TY L MIL SPEC SINGLE MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT | PASSIVATE |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| COLOR | BLACK |
| HARDNESS RATING | 80.0 ROCKWELL B NOMINAL |
| HEAD STYLE | 7 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.354 INCHES NOMINAL |
| HEAD HEIGHT | 0.096 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.125 INCHES NOMINAL |
| LOCKING FEATURE | STRIP |