Model: N857

Fluid Pressure Regulating Valve

Properties:

Body Material

Bronze

Body Style

Straight thru

Stem Material

Steel, ams 5643

Furnished Items

Adapter and tailpiece and needle valve and wrench

Media For Which Designed

Oxygen, gaseous

First End Connection Type

Unthreaded internal pipe

First End Style Designator

Streamlined with two brazing rings

First End Pipe Size Accommodated

0.500 inches

Second End Relationship With First End

Identical

Seat Material

Nickel copper alloy, qq-n-281

Flow Control Device

Needle

Flow Control Device Material

Steel, ams 5643

End Connection Quantity

Renewable Seat Ring Type

Pressed-in

Outlet Pressure Range

+5.0/+1500.0 pounds per square inch

Regulation Type

Automatic single stage

Valve Stem Design

Single seat

Valve Loading Method

Dome

Maximum Inlet Pressure Rating

3000.0 pounds per square inch

NSN

4820-00-913-8749

Part Number

N857

Description

Valve,regulating,fluid Pressure

CAGE

26505

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.

Part N857 NSN 4820-00-913-8749

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

27565

FIIG:

A21100

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:

11.0 X 9.5 X 7.0

Paclk Weight:

25.0000lbs

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 fluid pressure regulating valve (NSN 4820-00-913-8749) 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: 8481809015
SITC: 74780
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level