NSN 3940-00-264-4741
Part Details | TACKLE BLOCK
3940-00-264-4741 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: 2644741, S1801770370PC13T020, S1801-770370PC1-3T020, 3940-00-264-4741, 00-264-4741, 3940002644741, 002644741
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
39 | JAN 01, 1963 | 00-264-4741 | 06117 ( BLOCK, TACKLE ) |
REFERENCE DRAWINGS & PICTURES
DIAMOND PATTERN
Cross Reference | NSN 3940-00-264-4741
Part Number | Cage Code | Manufacturer |
---|---|---|
2644741 | 08TX0 | FOSS-BROWN, INC |
S1801-770370PC1-3T020 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 3940-00-264-4741
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | DIAMOND PATTERN |
SHEAVE OUTSIDE DIAMETER | 20.000 INCHES NOMINAL |
CENTER PIN DIAMETER | 2.247 INCHES NOMINAL |
BLOCK TYPE | REGULAR |
MATERIAL AND LOCATION | BRONZE BEARING AND STEEL CENTER PIN AND STEEL SHEAVE AND STEEL SHELL |
SURFACE TREATMENT AND LOCATION | GALVANIZED OVERALL |
SHEAVE QUANTITY | 4 |
BEARING TYPE | PLAIN |
SHEAVE BEARING LUBRICATION METHOD | PRESSURE GREASE FITTING |
TACKLE ACCOMMODATED TYPE | WIRE ROPE |
MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.875 INCHES |
TACKLE LOCKING DEVICE | NOT INCLUDED |
ANTITOPPLING DEVICE | NOT INCLUDED |
SPECIAL FEATURES | AS DIFFERENTIATED BY 0.875 IN WIREROPE SIZE,QUADRUPLE BLOCK |