NSN 3940-00-638-7945
Part Details | TACKLE BLOCK
3940-00-638-7945 A mechanical device, consisting of a pulley(s) or sheave(s) encased in a shell or frame which may be provided with a means such as a hook, eye, strap, screw, etc., by which it may be attached to an object. It is used to change direction of a running rope and/or to gain a mechanical advantage.
Alternate Parts: 4585267, 4585267, 3940-00-638-7945, 00-638-7945, 3940006387945, 006387945
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 39 | JAN 01, 1960 | 00-638-7945 | 06117 ( BLOCK, TACKLE ) |
REFERENCE DRAWINGS & PICTURES
OVAL PATTERN
Cross Reference | NSN 3940-00-638-7945
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 4585267 | 88277 | BOEING COMPANY, THEDBA BOEING |
| 4585267 | 18355 | BOEING COMPANY, THEDBA BOEING |
Technical Data | NSN 3940-00-638-7945
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | OVAL PATTERN |
| SHEAVE OUTSIDE DIAMETER | 1.938 INCHES NOMINAL |
| CENTER PIN DIAMETER | 0.250 INCHES NOMINAL |
| BLOCK TYPE | REGULAR |
| SURFACE TREATMENT AND LOCATION | ANODIZED SHEAVE |
| SHEAVE QUANTITY | 1 |
| BEARING TYPE | BALL |
| TACKLE ACCOMMODATED TYPE | WIRE ROPE |
| MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.250 INCHES |
| TACKLE LOCKING DEVICE | NOT INCLUDED |
| ANTITOPPLING DEVICE | NOT INCLUDED |