Model: GGG-B-490

Tackle Block

Special Features:

Sheave thickness at rim min 1.375 in.

Properties:

Bearing Type

Plain

Maximum Load Rating

5100.0 pounds

Block Type

Regular

Sheave Quantity

Tackle Accommodated Type

Fibrous rope

Becket Type

Thimble

Antitoppling Device

Not included

Shell Length

8.000 inches

Sheave Outside Diameter

4.500 inches

Center Pin Diameter

0.625 inches

Becket Quantity

Sheave Bearing Lubrication Method

Self-lubricated

Maximum Tackle Diameter Accommodated

1.000 inches

Tackle Locking Device

Not included

Attachment Style

Flatted loose swivel eye with swivel hook

Surface Treatment And Location

Zinc, electrolytic

Style Designator

Round pattern

Nondefinitive Specification/std Data

2 type

NSN

3940-00-926-3718

Part Number

GGG-B-490

Description

Block,tackle

CAGE

81348

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 GGG-B-490 NSN 3940-00-926-3718

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

12.0000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

127300

UFC:

64560

LTL:

60.0

LCL:

WCC:

576

TCC:

SHC:

ACC:

Construction Materials

End Items End applications NSN 3940-00-926-3718 is a component of

Ticonderoga Class Cg (47)
Forrestal Class Cv
Nimitz Class Cvn
Wasp Class Lhd
Tarawa Class Lha
Whidbey Island Class Lsd
Usns Henry J. Kaiser Class Tao
Blue Ridge Class Lcc-19
Hayes Class T-ag 195
Lpd-17 Class Amphibious Transport Dock

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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