Model: 580-6641123-0489

Tackle Block

Special Features:

Material is nickel-copper-aluminum alloy; called block sheave

Properties:

End Application

Valve, ball s

Maximum Load Rating

7800.0 pounds

Block Type

Regular

Sheave Quantity

Tackle Accommodated Type

Fibrous rope

Antitoppling Device

Not included

Center Pin Diameter

1.503 inches

Maximum Tackle Diameter Accommodated

3.500 inches

Tackle Locking Device

Not included

Material And Location

Metal

Style Designator

Trolley pattern

NSN

3940-01-485-6201

Part Number

580-6641123-0489

Description

Block,tackle

CAGE

53711

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 580-6641123-0489 NSN 3940-01-485-6201

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06117

FIIG:

A12900

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

127300

UFC:

64560

LTL:

60.0

LCL:

WCC:

793

TCC:

SHC:

ACC:

Trailers/Vehicles

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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