Model: 7M304S2N1400C

Safety Relief Valve

Special Features:

Used in oxygen system application; to be cleaned i.A.W.Mil-c-81302

Properties:

Thread Direction

Right-hand all ends

Maximum Operating Temp

250.0 degrees fahrenheit single response

Minimum Operating Temp

-40.0 degrees fahrenheit

End Application

Aircraft; mcdonnell douglas, fa/18 hornet

Connection Style

G46b plain (pipe) all ends

Valve Operation Method

Automatic

Connection Type

Threaded external pipe all ends

Thread Size

0.250 inches all ends

Opening Pressure Setting

140.0 pounds per square inch

Material

Steel comp 303 body

Material Specification

Astm a582 assn standard single material response body

Media For Which Designed

Oxygen, gaseous single response

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification all treatment responses

Thread Series Designator

Npt all ends

NSN

4820-01-438-9221

Part Number

7M304S2N1400C

Description

Valve,safety Relief

CAGE

76301

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

Part 7M304S2N1400C NSN 4820-01-438-9221

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05488

FIIG:

A046B0

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:

0.1000lbs

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:

127220

UFC:

64490

LTL:

77.5

LCL:

WCC:

594

TCC:

SHC:

ACC:

Equipment for Aircraft

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 safety relief valve (NSN 4820-01-438-9221) 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: 8481400000
SITC: 74740
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Safety or relief valves