NSN 3940-01-492-7931
Part Details | TACKLE BLOCK
3940-01-492-7931 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: 5816726890AY99, 581-6726890-AY99, 14901335, 3940-01-492-7931, 01-492-7931, 3940014927931, 014927931
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 39 | DEC 12, 2001 | 01-492-7931 | 06117 ( BLOCK, TACKLE ) |
REFERENCE DRAWINGS & PICTURES
OVAL PATTERN
Cross Reference | NSN 3940-01-492-7931
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 581-6726890-AY99 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 14901335 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 3940-01-492-7931
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | 4 OVAL PATTERN |
| SHELL LENGTH | 61.750 INCHES NOMINAL |
| SHEAVE OUTSIDE DIAMETER | 27.500 INCHES NOMINAL |
| SECOND SHEAVE OUTSIDE DIAMETER | 27.500 INCHES NOMINAL |
| CENTER PIN DIAMETER | 3.750 INCHES NOMINAL |
| SECOND CENTER PIN DIAMETER | 3.750 INCHES NOMINAL |
| MATERIAL AND LOCATION | STEEL, CORROSION RESISTING OVERALL |
| SHEAVE QUANTITY | 2 |
| END ITEM IDENTIFICATION | SEAWOLF CLASS SSN |