1634

Safety Relief Valve

NSN 4820-00-331-3537

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

003313537

Product Technical Spec.

Pipe Size Accommodated:

0.250 inches 2nd end

Pipe Size Accommodated:

0.250 inches 1st end

Thread Direction:

Right-hand 2nd end

Thread Direction:

Right-hand 1st end

Flow Control Device:

Poppet

Disk Loading Method:

Spring

Maximum Operating Temp:

250.0 degrees fahrenheit single response

Connection Style:

G46b plain (pipe) 2nd end

Connection Style:

G9 plain, optional en (pipe) 1st end

Connection Style:

Plain (pipe) 2nd end

Connection Style:

Plain, optional en (pipe) 1st end

Valve Operation Method:

Automatic

Connection Type:

Threaded external pipe 2nd end

Connection Type:

Threaded internal pipe 1st end

Thready Qty Per Inch (tpi):

18 2nd end

Thready Qty Per Inch (tpi):

18 1st end

Maximum Operating Pressure:

200.0 pounds per square inch single response

Thread Size:

0.250 inches 1st end

Thread Size:

0.250 inches 2nd end

Opening Pressure Setting:

20.0 pounds per square inch

Material:

Copper alloy seat

Material:

Copper alloy body

Material:

Stainless steel flow control device

Media For Which Designed:

Air 1st response

Media For Which Designed:

Fuel/oil, hydrocarbon 2nd response

Media For Which Designed:

Nitrogen, gaseous 3rd response

Style Designator:

Straight thru

Thread Series Designator:

Npt 2nd end

Thread Series Designator:

Npt 1st end

NSN:

4820-00-331-3537

Item Name:

Lock Valve Assembly

Cage Code:

59375

Cross Referenced Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

65A81C1037

Cage Code:

30003

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

P66-673

Cage Code:

91816

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05488

FIIG:

A046B0

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:

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:

051080

UFC:

29300

LTL:

RATING VARIABLE

LCL:

WCC:

576

TCC:

SHC:

ACC:

Construction Materials

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Pricing & Availability

Submit this form for current pricing and availability quote on part number 1634 and/or cross reference parts.

Definition Definition of approved item name (AIN): "Lock Valve Assembly"

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.