Part Details | THUMBSCREW
5305-01-298-7491 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: 3279296, A373831PC17, A-37383-1PC17, 5305-01-298-7491, 01-298-7491, 5305012987491, 012987491
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | APR 22, 1989 | 01-298-7491 | 06673 ( THUMBSCREW ) |
REFERENCE DRAWINGS & PICTURES
DOUBLE HEXAGON
FLAT
Cross Reference | NSN 5305-01-298-7491
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 3279296 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| A-37383-1PC17 | 15187 | PENTAIR VALVES & CONTROLS US LPDBA NAVY PRODUCT TEAM |
Technical Data | NSN 5305-01-298-7491
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.438 INCHES |
| THREAD QUANTITY PER INCH | 14 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 2.750 INCHES NOMINAL |
| HEAD STYLE | 0 DOUBLE HEXAGON |
| HEAD HEIGHT | 0.875 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 1.438 INCHES MINIMUM AND 1.562 INCHES MAXIMUM |
| POINT STYLE | 6 FLAT |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| CRITICALITY CODE JUSTIFICATION | ZZZY |