MS21211-2

Check Valve

NSN 4820-00-528-2363

DEMIL

Shelf Life

UOM

NIIN

Demil:

DEMIL/MLI

Shelf Life:

UOM:

NIIN:

005282363

Product Features

Third end 1/4 anpt

Product Technical Spec.

Thread Class:

3a 1st end

Thread Direction:

Right-hand 1st end

Flow Control Device:

Cone

Connection Style:

Flared (tube) 1st end

Connection Type:

Threaded external tube 1st end

Mounting Position:

Horizontal or vertical

Thready Qty Per Inch (tpi):

20 1st end

Maximum Operating Pressure:

450.0 pounds per square inch single response

Thread Size:

0.500 inches 1st end

Seat Angle:

37.0 degrees 1st end

Outside Diameter Tube Accommodated:

0.312 inches 1st end

Media For Which Designed:

Oxygen, gaseous single response

Test Data Document:

81349-mil-v-7908 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).

Thread Series Designator:

Unf 1st end

Nondefinitive Specification/std Data:

B style

NSN:

4820-00-528-2363

Item Name:

Dual Check Backflow Prevention Valve

Cage Code:

96906

Cross Referenced Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

9809

Cage Code:

99227

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

AN6031-1

Cage Code:

81352

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

1669M

Cage Code:

53477

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

9809

Cage Code:

04577

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

9809

Cage Code:

03990

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05487

FIIG:

A530B0

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:

127220

UFC:

64490

LTL:

77.5

LCL:

77.5

WCC:

594

TCC:

SHC:

ACC:

Equipment for Aircraft

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Pricing & Availability

Submit this form for current pricing and availability quote on part number ms21211-2 and/or cross reference parts.

Definition Definition of approved item name (AIN): "Dual Check Backflow Prevention Valve"

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.