NSN 3940-00-202-2179
Part Details | TACKLE BLOCK
3940-00-202-2179 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: 368SIZE7AND251SIZE2, 3940-00-202-2179, 00-202-2179, 3940002022179, 002022179
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) | 
|---|---|---|---|
| 39 | JAN 01, 1963 | 00-202-2179 | 06117 ( BLOCK, TACKLE ) | 
REFERENCE DRAWINGS & PICTURES
OBLONG SWIVEL EYE
							OVAL PATTERN
					Cross Reference | NSN 3940-00-202-2179
| Part Number | Cage Code | Manufacturer | 
|---|---|---|
| 368SIZE7AND251SIZE2 | 79577 | NORTH AND JUDD INCWILCOX-CRITTENDEN DIV | 
Technical Data | NSN 3940-00-202-2179
| Characteristic | Specifications | 
|---|---|
| STYLE DESIGNATOR | 1 OVAL PATTERN | 
| SHELL LENGTH | 2.250 INCHES NOMINAL | 
| SHEAVE OUTSIDE DIAMETER | 1.500 INCHES NOMINAL | 
| CENTER PIN DIAMETER | 0.188 INCHES NOMINAL | 
| BLOCK TYPE | REGULAR | 
| SURFACE TREATMENT AND LOCATION | ZINC, ELECTROLYTIC OVERALL | 
| SHEAVE QUANTITY | 1 | 
| BEARING TYPE | PLAIN | 
| TACKLE ACCOMMODATED TYPE | FIBROUS ROPE | 
| MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.375 INCHES | 
| TACKLE LOCKING DEVICE | NOT INCLUDED | 
| ANTITOPPLING DEVICE | NOT INCLUDED | 
| ATTACHMENT STYLE | 8 OBLONG SWIVEL EYE |