NSN 3940-01-373-2737

Part Details | TACKLE BLOCK

3940-01-373-2737 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: 696243, MILB24220, MIL-B-24220, MILB24220TYICL3 SZ8RIG1, 3940-01-373-2737, 01-373-2737, 3940013732737, 013732737

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
39MAR 31, 199301-373-273706117 ( BLOCK, TACKLE )
REFERENCE DRAWINGS & PICTURES

OBLONG SWIVEL EYE

OVAL PATTERN

Cross Reference | NSN 3940-01-373-2737
Part Number Cage Code Manufacturer
69624375535CROSBY GROUP INCDBA NATIONAL SWAGE
MIL-B-2422081349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
MILB24220TYICL3 SZ8RIG1D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
Technical Data | NSN 3940-01-373-2737
Characteristic Specifications
STYLE DESIGNATOR OVAL PATTERN
SHELL LENGTH8.000 INCHES MINIMUM
SHEAVE OUTSIDE DIAMETER4.500 INCHES MINIMUM
CENTER PIN DIAMETER0.750 INCHES MINIMUM
BLOCK TYPE REGULAR
MATERIAL AND LOCATION STEEL OVERALL
SURFACE TREATMENT AND LOCATION GALVANIZED OVERALL
SHEAVE QUANTITY3
TACKLE ACCOMMODATED TYPE FIBROUS ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED0.875 INCHES
TACKLE LOCKING DEVICE NOT INCLUDED
BECKET TYPE THIMBLE
BECKET QUANTITY1
ANTITOPPLING DEVICE NOT INCLUDED
ATTACHMENT STYLE OBLONG SWIVEL EYE
MAXIMUM LOAD RATING9000.0 POUNDS
SPECIAL FEATURESRIG NO. 1
NONDEFINITIVE SPEC/STD DATA 1 TYPE AND 3 CLASS AND 8 SIZE