Product Details | TACKLE BLOCK

3940-01-320-4581 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.

Part Alternates: SB2S3BH, 3940-01-320-4581, 01-320-4581, 3940013204581, 013204581

Materials Handling Equipment | Blocks, Tackle, Rigging, and Slings

Supply Group (FSG) NSN Assign. NIIN
39 25 MAY 1990 01-320-4581

Drawings & Photos | NSN 3940-01-320-4581


Cross Reference | NSN 3940-01-320-4581

Part Number Cage Code Manufacturer
SB2S3BH 99557 JOHNSON GUNNEBO CORPORATION

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Technical Data | NSN 3940-01-320-4581

Characteristic Specifications
STYLE DESIGNATOR 20 PULLEY PATTERN
BLOCK TYPE SNATCH
SHEAVE QUANTITY 1
TACKLE ACCOMMODATED TYPE WIRE ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED 0.375 INCHES
ATTACHMENT STYLE 21 FRONT EYE FLATTED LOOSE HOOK
WEIGHT 9.0 POUNDS
MAXIMUM LOAD RATING 4000.0 POUNDS

Restrictions/Controls & Freight Information | NSN 3940-01-320-4581

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information