Part Details | MACHINE SCREW
5305-01-144-3889 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: R1474P009, 10115421, 5305-01-144-3889, 01-144-3889, 5305011443889, 011443889
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | DEC 20, 1982 | 01-144-3889 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-01-144-3889
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| R1474P009 | 99207 | GENERAL ELECTRIC COMPANYDBA GE |
| 10115421 | A486G | NIMIKKEISTOKESKUS NCB FINLAND |
Technical Data | NSN 5305-01-144-3889
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.640 INCHES MINIMUM AND 0.653 INCHES MAXIMUM |
| FASTENER LENGTH | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM |
| SCREW MATERIAL | STEEL |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS5735 ASSN STD SINGLE MATERIAL RESPONSE |
| HARDNESS RATING | 26.0 ROCKWELL C NOMINAL |
| HEAD STYLE | 9 DISHED HEXAGON |
| HEAD DIAMETER | 0.462 INCHES NOMINAL |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |