Model: B-1221-A 2IN

Stop-check Valve

Special Features:

Material copper alloy 865

Properties:

Flow Control Device

Disk

Bonnet Type

Outside screw-yoke

Bonnet Attachment Method

Bolted

Bolt Hole Quantity

4 all ends

Valve Operation Method

Manual

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Mounting Position

Horizontal

Valve Size

2.000 inches

Maximum Operating Pressure

150.0 pounds per square inch single response

Outside Diameter

6.000 inches all ends

Face To Face Distance

7.000 inches

Thickness

0.500 inches all ends

Bolt Hole Diameter

0.750 inches all ends

Bolt Circle Diameter

4.750 inches all ends

Flange Face Design

Plain all ends

Material

Copper alloy stem

Material

Copper alloy 836 flow control device or copper alloy 922 flow control device

Material Specification

Astm b147 alloy 8a assn standard single material response stem

Material Specification

Astm b62 assn standard 1st material response flow control device or astmb61 assn standard 2nd material response flow control device

Style Designator

Straight through flanged ends

Supplementary Features

This item has been reviewed for asbestos material; the current approved sources; 30263 have indicated their part number contained asbestos prior to 1984, they continue to manufacture the same part number without asbestos material after 1984

Furnished Items And Quantity

1 handwheel

NSN

4820-01-261-0991

Part Number

B-1221-A 2IN

Description

Valve,stop-check

CAGE

30263

Part B-1221-A 2IN NSN 4820-01-261-0991

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05486

FIIG:

A530B0

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:

36.3000lbs

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:

051080

UFC:

29300

LTL:

RATING VARIABLE

LCL:

WCC:

594

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 stop-check valve (NSN 4820-01-261-0991) 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 »