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Tackle Block NSN 3940-01-491-0456

Item Description

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.

NSN 3940-01-491-0456 NSN: 3940-01-491-0456

Features and Characteristics

Bearing Type
Roller
End Application
Cargo boom
Maximum Load Rating
28000.0 pounds
Block Type
Regular
Sheave Quantity
1
Tackle Accommodated Type
Wire rope
Becket Type
Round eye
Shell Length
31.120 inches
Sheave Outside Diameter
18.000 inches
Becket Quantity
1
Sheave Bearing Lubrication Method
Self-lubricated
Tackle Locking Device
Not included
Attachment Style
Drilled swivel eye and shackle
Material And Location
Steel
Surface Treatment And Location
Galvanized
Special Features
Proof test to 28 tons
Style Designator
Round pattern
FSC
3940 Slings Rigging Tackle Blocks
NIIN
014910456
NSN
3940014910456

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
M903268E
Cage Code:
76257
Status:
A
MSDS:
Part Number:
571-6580814 ITEM 18
Cage Code:
53711
Status:
A
MSDS:
Part Number:
8004287
Cage Code:
76257
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8425190000
  • NAICS: 333923
  • SITC: 74421
  • Description: Pulley tackle and hoists, other than skip hoists or hoists of a kind used for raising vehicles, not powered by electric motor
  • End Use (Code 21170):
    Materials handling equipment

Q & A

Frequently asked questions for NSN 3940-01-491-0456
What are the manufacturers of nsn 3940014910456?
Does this nsn 3940014910456 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3940014910456
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.
Does nsn 3940014910456 contain any precious metals?
No precious metal content.
Does nsn 3940014910456 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3940014910456?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
06117
FIIG:
A12900
App. Key:
A
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
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