NSN 3820-00-290-4252
Part Details | ROCK DRILL DRILL ROD
3820-00-290-4252 A straight metal rod with a shank at one end to fit the drilling machine chuck, and the opposite end externally threaded or tapered to receive a detachable bit. The rod has a passageway throughout its entire length for conducting air or water to clear the hole being drilled. Overall length must be at least 15 inches (381 mm). Excludes drill rods designed for core drilling. See also DRILL ROD SECTION, ROCK DRILL; and SHANK, ROD, ROCK DRILL.
Alternate Parts: MS391251, MS39125-1, 3820-00-290-4252, 00-290-4252, 3820002904252, 002904252
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 38 | JAN 01, 1961 | 00-290-4252 | 16805 ( DRILL ROD, ROCK DRILL ) |
REFERENCE DRAWINGS & PICTURES
COLLARED HEXAGON
Cross Reference | NSN 3820-00-290-4252
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MS39125-1 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
Technical Data | NSN 3820-00-290-4252
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL |
| SHANK STYLE | COLLARED HEXAGON |
| WIDTH ACROSS FLATS | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM |
| SHANK OVERALL LENGTH | 4.250 INCHES MINIMUM AND 4.312 INCHES MAXIMUM |
| OVERALL LENGTH | 28.620 INCHES MINIMUM AND 29.244 INCHES MAXIMUM |
| ROD NOMINAL SIZE | 1.000 INCHES |
| ATTACHMENT METHOD | THREADED BOTTOM DRIVE |
| MANUFACTURER THREAD DESIGN DESIGNATION | MIL STD 90496 |