Model: N-21-B

Tackle Block

Properties:

Bearing Type

Plain

Maximum Load Rating

1000.0 pounds

Block Type

Regular

Sheave Quantity

Tackle Accommodated Type

Fibrous rope

Becket Type

Thimble

Antitoppling Device

Not included

Shell Length

4.000 inches

Sheave Outside Diameter

2.250 inches

Center Pin Diameter

0.375 inches

Becket Quantity

Sheave Bearing Lubrication Method

Self-lubricated

Maximum Tackle Diameter Accommodated

0.500 inches

Tackle Locking Device

Not included

Attachment Style

Flatted loose swivel eye with swivel hook

Material And Location

Wood shell

Style Designator

Oval pattern

NSN

3940-00-151-6324

Part Number

N-21-B

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 N-21-B NSN 3940-00-151-6324

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:

2.3000lbs

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:

885

TCC:

SHC:

ACC:

Trailers/Vehicles

Pricing & Availability Check

Submit this form for stock availability and pricing.

How to Order

Ordering from buyaircraftparts.com

If you would like to order this tackle block (NSN 3940-00-151-6324) please submit the pricing and availability form above to receive an up to date quote by email. If you agree to the pricing and terms you can e-sign your order online!

We are pleased to have the opportunity to serve you.

Have a Question

Hours:	08:00-18:00 Eastern Standard Time
Phone:	+1 470-231-0824
Email:	Contact Form »

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