439B

Tackle Block

NSN 3940-00-368-2891

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

003682891

Technical Specifications of NSN

Bearing Type:

Plain

Maximum Load Rating:

Not rated

Block Type:

Snatch

Locking Style:

Drop link

Sheave Quantity:

Tackle Accommodated Type:

Wire rope

Antitoppling Device:

Not included

Sheave Outside Diameter:

6.000 inches

Center Pin Diameter:

0.750 inches

Sheave Bearing Lubrication Method:

Self-lubricated

Maximum Tackle Diameter Accommodated:

0.500 inches

Tackle Locking Device:

Not included

Attachment Style:

Oblong swivel eye

Material And Location:

Steel center pin

Material And Location:

Steel shell

Material And Location:

Steel sheave

Material And Location:

Bronze bearing

Surface Treatment And Location:

Zinc, electrolytic

Style Designator:

Oval pattern

NSN:

3940-00-368-2891

Item Name:

Fall Block

Cage Code:

76257

Other Related Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

S8101-1008936

Cage Code:

80064

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

4114

Cage Code:

81990

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

4083P

Cage Code:

71110

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06117

FIIG:

A12900

Concept No.:

App. Key:

Cond. Code:

Status:

Part Materials

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:

885

TCC:

SHC:

ACC:

Trailers/Vehicles

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Pricing & Availability

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Definition Definition of approved item name (AIN): "Fall Block"

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.