Part Details | THUMBSCREW
5305-01-239-0639 An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use SCREW (as modified) or BOLT (as modified).
Alternate Parts: 9M213B58, 9M213B5-8, CL520SHS8, CL-520-SHS-8, CL022SHS8, CL-022-SHS-8, 5305-01-239-0639, 01-239-0639, 5305012390639, 012390639
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | AUG 25, 1986 | 01-239-0639 | 06673 ( THUMBSCREW ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK UNDERCUT
FLAT
Cross Reference | NSN 5305-01-239-0639
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 9M213B5-8 | 76301 | BOEING COMPANY, THEDBA BOEING |
| CL-520-SHS-8 | 99862 | CARR LANE MANUFACTURING COMPANYDBA CARR LANE MANUFACTURING |
| CL-022-SHS-8 | 99862 | CARR LANE MANUFACTURING COMPANYDBA CARR LANE MANUFACTURING |
Technical Data | NSN 5305-01-239-0639
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| THREAD QUANTITY PER INCH | 18 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.364 INCHES MINIMUM AND 1.604 INCHES MAXIMUM |
| FASTENER LENGTH | 2.034 INCHES MINIMUM AND 2.154 INCHES MAXIMUM |
| HEAD STYLE | 9 HEXAGON COUNTERSUNK UNDERCUT |
| HEAD DIAMETER | 1.095 INCHES MINIMUM AND 1.155 INCHES MAXIMUM |
| HEAD HEIGHT | 0.345 INCHES MINIMUM AND 0.405 INCHES MAXIMUM |
| POINT STYLE | 5 FLAT |
| POINT LENGTH | 0.392 INCHES MINIMUM AND 0.452 INCHES MAXIMUM |
| POINT DIAMETER | 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM |
| POINT SWIVEL INCLUDED ANGLE | 40.0 DEGREES NOMINAL |
| SPECIAL FEATURES | THREADED BALL PERMITS REMOVAL OF SWIVEL BALL |