Model: 481

Tackle Block

Properties:

Bearing Type
Plain
Maximum Load Rating
26000.0 pounds
Block Type
Snatch
Locking Style
Safety locking
Sheave Quantity
1
Tackle Accommodated Type
Wire rope
Antitoppling Device
Not included
Shell Length
Between 7.375 inches and 7.625 inches
Sheave Outside Diameter
Between 4.125 inches and 4.375 inches
Sheave Bearing Lubrication Method
Pressure grease fitting
Maximum Tackle Diameter Accommodated
0.500 inches
Tackle Locking Device
Not included
Attachment Style
Flatted loose swivel eye with swivel hook
Material And Location
Bronze, sae 660, bearing
Material And Location
Steel, forging, composition c1040, hook
Material And Location
Steel, forging, composition c1040, shackle
Material And Location
Steel, forging, composition c1040, sheave
Material And Location
Steel, forging, composition c1040, yoke
Surface Treatment And Location
Enamel per dwg 80064/2584542 class f, type 1
Style Designator
Oval pattern
NSN
3940-00-283-7690
Part Number
481
Description
Block,tackle
CAGE
75535

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 481 NSN 3940-00-283-7690

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
12.2000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127300
UFC:
64560
LTL:
60.0
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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