Model: 508-0049-3-59

Oxygen Syste Safety Relief Valve

Special Features:

Weapon system essential

Properties:

Thread Direction

Right-hand 2nd end

Thread Direction

Right-hand 1st end

Minimum Operating Temp

-320.0 degrees fahrenheit

End Application

Tmu-27/m

Connection Style

G46b plain (pipe) 1st end

Connection Style

G9 plain, optional en (pipe) 2nd end

Valve Operation Method

Automatic

Connection Type

Threaded external pipe 1st end

Connection Type

Threaded internal pipe 2nd end

Thread Size

0.500 inches 1st end

Thread Size

0.750 inches 2nd end

Criticality Code Justification

Feat

Opening Pressure Setting

59.0 pounds per square inch

Material

Copper alloy body

Media For Which Designed

Nitrogen, liquid 1st response

Media For Which Designed

Oxygen, liquid 2nd response

Thread Series Designator

Npt 2nd end

Thread Series Designator

Npt 1st end

NSN

4820-01-312-9421

Part Number

508-0049-3-59

Description

Valve,safety Relief,oxygen Syste

CAGE

0D4Y1

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It is specifically designed and/or cleaned for oxygen systems. See valve, safety relief.

Part 508-0049-3-59 NSN 4820-01-312-9421

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

37941

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:

1.4000lbs

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:

Construction Materials

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Schedule B and Export

Schedule B: 8481400000
SITC: 74740
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Safety or relief valves