Product Details | TACKLE BLOCK

3940-01-491-4209 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: 14923475, 5816726673AY98, 581-6726673-AY98, 6726673AY98, 6726673-AY98, 3940-01-491-4209, 01-491-4209, 3940014914209, 014914209

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

Supply Group (FSG) NSN Assign. NIIN
39 22 OCT 2001 01-491-4209

Drawings & Photos | NSN 3940-01-491-4209


Cross Reference | NSN 3940-01-491-4209

Part Number Cage Code Manufacturer
14923475 53711 NAVAL SEA SYSTEMS COMMAND
581-6726673-AY98 53711 NAVAL SEA SYSTEMS COMMAND
6726673-AY98 53711 NAVAL SEA SYSTEMS COMMAND

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Technical Data | NSN 3940-01-491-4209

Characteristic Specifications
STYLE DESIGNATOR 6 HALF-OVAL PATTERN
BLOCK TYPE REGULAR
MATERIAL AND LOCATION STEEL, CORROSION RESISTING OVERALL
SHEAVE QUANTITY 1
MAXIMUM LOAD RATING 110000.0 POUNDS
SPECIAL FEATURES CALLED AFT AFT STATIONARY SHEAVE ASSEMBLY
III END ITEM IDENTIFICATION VALVE, CONTROL; LOS ANGELES CLASS SSN (688)

Restrictions/Controls & Freight Information | NSN 3940-01-491-4209

Category Code Description
Shelf-Life Code:0Nondeteriorative
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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
Controlled Inventory Item Code:JPILFERAGE - PILFERAGE CONTROLS MAY BE DESIGNATED BY THE CODING ACTIVITY TO ITEMS CODED U (UNCLASSIFIED) BY RECORDING THE ITEM TO J./
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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 127300 PULLEY BLOCKS/TCKLE/SNATCH/FAIRLDRS
Less than car load rating
Less than truck load rating S 60.0
Water commodity Code 793 unknown
Originating Activity Code KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
Air Dimension Code Z Shipment is not a consolidation, but does exceed 72 inches in one or more dimensions.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 3940-01-491-4209

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityDField Level Reparables
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeJPILFERAGE - PILFERAGE CONTROLS MAY BE DESIGNATED BY THE CODING ACTIVITY TO ITEMS CODED U (UNCLASSIFIED) BY RECORDING THE ITEM TO J.
Shelf Life Code0Nondeteriorative