Product Details | TACKLE BLOCK

3940-00-489-8340 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: 83370211, 8337021-1, 83832381, 8383238-1, 3940-00-489-8340, 00-489-8340, 3940004898340, 004898340

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

Supply Group (FSG) NSN Assign. NIIN
39 22 SEP 1969 00-489-8340

Drawings & Photos | NSN 3940-00-489-8340


Demand History | NSN 3940-00-489-8340

Part Number Request Date QTY Origin
3940-00-489-8340 2015-02-44 1 DIBBS
3940-00-489-8340 2014-10-302 1 DIBBS
3940-00-489-8340 2014-03-89 1 DIBBS

Cross Reference | NSN 3940-00-489-8340

Part Number Cage Code Manufacturer
8337021-1 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
8383238-1 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

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Technical Data | NSN 3940-00-489-8340

Characteristic Specifications
STYLE DESIGNATOR 16 STRAP AND PLATE PATTERN
SHEAVE OUTSIDE DIAMETER 12.000 INCHES NOMINAL
CENTER PIN DIAMETER 1.751 INCHES MINIMUM AND 1.752 INCHES MAXIMUM
BLOCK TYPE SNATCH
LOCKING STYLE 3 DROP LINK
MATERIAL AND LOCATION BRONZE BEARING AND STEEL, QQ-S-633, FS1010 TO FS1020-CANCELED CENTER PIN STEEL, QQ-S-681, CLASS 80-40 SHEAVE AND STEEL, QQ-S-681 SHELL
SURFACE TREATMENT AND LOCATION ENAMEL, TT-E-529 OVERALL
SHEAVE QUANTITY 1
BEARING TYPE PLAIN
SHEAVE BEARING LUBRICATION METHOD PRESSURE GREASE FITTING
TACKLE ACCOMMODATED TYPE WIRE ROPE
MAXIMUM TACKLE DIAMETER ACCOMMODATED 1.000 INCHES
TACKLE LOCKING DEVICE INCLUDED
BECKET TYPE SWIVEL EYE
BECKET QUANTITY 1
ANTITOPPLING DEVICE NOT INCLUDED
ATTACHMENT STYLE 31 STIFF, UPSET SWIVEL SHACKLE
MAXIMUM LOAD RATING 50000.0 POUNDS

Restrictions/Controls & Freight Information | NSN 3940-00-489-8340

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:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
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
NMF Description 127300 PULLEY BLOCKS/TCKLE/SNATCH/FAIRLDRS
Less than car load rating S 60
Less than truck load rating S 60.0
Water commodity Code 885 unknown
Originating Activity Code BE
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
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 3940-00-489-8340

Category Code Description
Materiel Category and Inventory ManagerJ Ground Forces Support Materiel (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeN Nonexpendable item. An item of Army property coded with an ARC of?N?in the AMDF. Nonexpendable items require property book accountability after issue from the stock record account. Commercial and fabricated items similar to items coded ?N? in the AMDF are considered nonexpendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each