Part Details | THUMBSCREW
5305-01-226-6737 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: 5847020031, 584-702003-1, 5847020031, 584-702003-1, 5305-01-226-6737, 01-226-6737, 5305012266737, 012266737
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | FEB 21, 1986 | 01-226-6737 | 06673 ( THUMBSCREW ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK UNDERCUT
Cross Reference | NSN 5305-01-226-6737
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 584-702003-1 | 76301 | BOEING COMPANY, THEDBA BOEING |
| 584-702003-1 | 19133 | MCDONNELL DOUGLAS CORPMCDONNELL DOUGLAS AEROSPACE |
Technical Data | NSN 5305-01-226-6737
| 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 | 2.008 INCHES NOMINAL |
| FASTENER LENGTH | 2.570 INCHES NOMINAL |
| HEAD STYLE | 9 HEXAGON COUNTERSUNK UNDERCUT |
| HEAD DIAMETER | 1.000 INCHES NOMINAL |
| HEAD HEIGHT | 0.310 INCHES NOMINAL |
| POINT LENGTH | 0.312 INCHES NOMINAL |
| POINT DIAMETER | 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM |
| SPECIAL FEATURES | SHANK 0.200 INCH NOM DIA,0.250 INCH NOM LENGTH. UNDERCUT ON POINT END 0.070 INCH MIN AND 0.075 INCH MAX LONG. MEDIUM DIAMOND KNURLED HEAD |