Model: 21537

Check Valve

Properties:

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Bolt Hole Quantity

3 2nd end

Connection Style

Plain, optional end (pipe) 1st end

Valve Operation Method

Automatic

Flange Shape

Round with holes 2nd end

Connection Type

Flange 2nd end

Connection Type

Threaded internal pipe 1st end

Mounting Position

Vertical

Thread Size

1.500 inches 1st end

Outside Diameter

6.562 inches 2nd end

Thickness

0.235 inches 2nd end

Bolt Hole Diameter

0.188 inches 2nd end

Bolt Circle Diameter

5.937 inches 2nd end

Flange Face Design

Plain 2nd end

Material

Copper alloy flow control device and rubber synthetic flow control device

Material

Copper alloy body

Style Designator

Straight thru

Thread Series Designator

Npt 1st end

NSN

4820-00-937-5914

Part Number

21537

Description

Valve,check

CAGE

76122

Part 21537 NSN 4820-00-937-5914

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05487

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:

5.2000lbs

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:

052430

UFC:

30340

LTL:

77.5

LCL:

WCC:

576

TCC:

SHC:

ACC:

Construction Materials

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