NSN 3940-01-491-0524
Part Details | TACKLE BLOCK
3940-01-491-0524 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: M903628F, 8004288, 5716580814 ITEM 27, 571-6580814 ITEM 27, M903268F, 3940-01-491-0524, 01-491-0524, 3940014910524, 014910524
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
39 | OCT 11, 2001 | 01-491-0524 | 06117 ( BLOCK, TACKLE ) |
REFERENCE DRAWINGS & PICTURES
OBLONG SWIVEL EYE AND SHACKLE

ROUND PATTERN

Cross Reference | NSN 3940-01-491-0524
Part Number | Cage Code | Manufacturer |
---|---|---|
M903628F | 76257 | CROSBY GROUP INC THEMCKISSICK PLANT DIV |
8004288 | 76257 | CROSBY GROUP INC THEMCKISSICK PLANT DIV |
571-6580814 ITEM 27 | 53711 | NAVAL SEA SYSTEMS COMMAND |
M903268F | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
Technical Data | NSN 3940-01-491-0524
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | ROUND PATTERN |
SHELL LENGTH | 35.500 INCHES NOMINAL |
SHEAVE OUTSIDE DIAMETER | 18.000 INCHES NOMINAL |
BLOCK TYPE | REGULAR |
MATERIAL AND LOCATION | STEEL OVERALL |
SURFACE TREATMENT AND LOCATION | GALVANIZED OVERALL |
SHEAVE QUANTITY | 1 |
BEARING TYPE | ROLLER |
SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED |
TACKLE ACCOMMODATED TYPE | WIRE ROPE |
TACKLE LOCKING DEVICE | NOT INCLUDED |
BECKET TYPE | ROUND EYE |
BECKET QUANTITY | 1 |
ATTACHMENT STYLE | 7 OBLONG SWIVEL EYE AND SHACKLE |
MAXIMUM LOAD RATING | 28000.0 POUNDS |
END ITEM IDENTIFICATION | CARGO BOOM |