|
|
|
National Stock Number:
3940-00-494-0834
Federal Supply Class:
3940
National Item Identification Number:
004940834
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:
| GGGB490 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
|
Techincal Specification:
| ANTITOPPLING DEVICE | NOT INCLUDED | | ATTACHMENT STYLE | ROUND SWIVEL EYE | | BEARING TYPE | PLAIN | | BLOCK TYPE | REGULAR | | LOAD RATING | 150.0 POUNDS MAXIMUM | | MATERIAL | COPPER ALLOY BEARING | | MATERIAL | IRON SHELL | | MATERIAL | STEEL CENTER PIN | | MATERIAL | STEEL SHEAVE | | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.250 INCHES | | NONDEFINITIVE SPEC/STD DATA | 2 TYPE | | SHEAVE OUTSIDE DIAMETER | 1.000 INCHES NOMINAL | | SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED | | SHEAVE QUANTITY | 1 | | SHELL LENGTH | 1.000 INCHES NOMINAL | | STYLE DESIGNATOR | ROUND PATTERN | | SURFACE TREATMENT | ZINC OVERALL | | TACKLE ACCOMMODATED TYPE | FIBROUS ROPE | | TACKLE LOCKING DEVICE | NOT INCLUDED |
|
|