Model: 3940BL0AL720

Tackle Block
Description:

Oblong link attachment style, bronze bearing material and location, w/ four eared reverse shackel , oval pattern .

Special Features:

W/ four eared reverse shackel

Properties:

Bearing Type
Plain
Block Type
Regular
Sheave Quantity
5
Tackle Accommodated Type
Wire rope
Antitoppling Device
Not included
Sheave Outside Diameter
20.000 inches
Center Pin Diameter
2.500 inches
Sheave Bearing Lubrication Method
Self-lubricated
Maximum Tackle Diameter Accommodated
1.125 inches
Tackle Locking Device
Not included
Attachment Style
Oblong link
Material And Location
Bronze bearing
Material And Location
Steel center pin
Material And Location
Steel shell
Material And Location
Bronze sheave
Style Designator
Oval pattern
NSN
3940-00-053-8890
Part Number
3940BL0AL720
Description
Block,tackle
CAGE
89227

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 3940BL0AL720 NSN 3940-00-053-8890

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06117
FIIG:
A12900
Concept No.:
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8425190000
  • SITC: 74421
  • End Use: Materials handling equipment
  • NAICS: 333923
  • USDA: 1

Freight Class: Pulley tackle and hoists, other than skip hoists or hoists of a kind used for raising vehicles, not powered by electric motor

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