|
|
|
National Stock Number:
3940-00-641-4153
Federal Supply Class:
3940
National Item Identification Number:
006414153
Description:
BLOCK,TACKLE
Detail:
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.
|
Manufacturer Information:
| 5171 | 76320 | MCMILLANS W H SONS | | MIL-B-11837 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
|
Techincal Specification:
| ANTITOPPLING DEVICE | NOT INCLUDED | | ATTACHMENT STYLE | OBLONG SWIVEL EYE AND SHACKLE | | BEARING TYPE | PLAIN | | BLOCK TYPE | SNATCH | | CENTER PIN DIAMETER | 1.500 INCHES NOMINAL | | LOCKING STYLE | SAFETY W/LATCH PIN | | MATERIAL AND LOCATION | BRONZE BEARING | | MATERIAL AND LOCATION | STEEL CENTER PIN | | MATERIAL AND LOCATION | STEEL SHEAVE | | MATERIAL AND LOCATION | STEEL SHELL | | MAXIMUM LOAD RATING | 30000.0 POUNDS | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.875 INCHES | | NONDEFINITIVE SPEC/STD DATA | 1 TYPE | | SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED | | SHEAVE OUTSIDE DIAMETER | 10.000 INCHES NOMINAL | | SHEAVE QUANTITY | 1 | | STYLE DESIGNATOR | OVAL PATTERN | | SURFACE TREATMENT AND LOCATION | ZINC, ELECTROLYTIC OVERALL | | TACKLE ACCOMMODATED TYPE | WIRE ROPE | | TACKLE LOCKING DEVICE | NOT INCLUDED |
|
|