N551

Fluid Pressure Regulating Valve

NSN 4820-00-181-8911

DEMIL

Shelf Life

UOM

NIIN

Demil:

DEMIL/MLI

Shelf Life:

N/A

UOM:

1 EA

NIIN:

001818911

Product Features

Ends w/o brazing rings installed

Technical Specifications of NSN

Body Material:

Bronze

Body Style:

Straight thru

Stem Material:

Nickel copper alloy

Furnished Items:

Union nut and tailpiece

Media For Which Designed:

Water, fresh and water, salt

First End Connection Type:

Unthreaded internal tube

First End Style Designator:

Socket w/brazing ring

First End Outside Diameter Tube Accommodated:

1.000 inches

Second End Relationship With First End:

Identical

Seat Material:

Rubber

Packing Material:

Any acceptable

Flow Control Device:

Diaphragm

Flow Control Device Material:

Rubber

End Connection Quantity:

Renewable Seat Ring Type:

Threaded

Outlet Pressure Range:

+25.0/+60.0 pounds per square inch

Outlet Pressure Range:

+25.0 to 60.0 pounds per square inch

Regulation Type:

Automatic double stage

Valve Stem Design:

Single seat

Valve Loading Method:

Spring

Maximum Inlet Pressure Rating:

150.0 pounds per square inch

Outlet Pressure Accuracy Rating:

Not rated

Filter:

Not included

Filter:

Not includednot included

Tempurature Rating:

165.0 degrees fahrenheit

Tempurature Rating:

165.0 degrees fahrenheit 165.0 degrees fahrenheit

Special Test Features:

High-impact shock tests are required as directed in paragraphs 3.6 and 4.4.2.3 of mil-v-2042 in pac test above

Test Data Document:

81349-milv2042 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.).

Nondefinitive Specification/std Data:

2 type

NSN:

4820-00-181-8911

Item Name:

Air Pressure Regulator

Cage Code:

35795

Other Related Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

40399-01 1IN 25

Cage Code:

55378

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

40399-906

Cage Code:

55378

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

ASTM F1370 2EU1B

Cage Code:

81346

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MILV2042

Cage Code:

81349

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

30806262

Cage Code:

03847

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

30806262REVF

Cage Code:

03847

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

E420ALT6

Cage Code:

33547

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

27565

FIIG:

A21100

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

30.6000lbs

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:

128000

UFC:

64870

LTL:

85.0

LCL:

WCC:

594

TCC:

SHC:

ACC:

Trailers/Vehicles

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Pricing & Availability

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Definition Definition of approved item name (AIN): "Air Pressure Regulator"

A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1), fluid pressure regulating, aircraft.