H555

Safety Relief Valve

NSN 4820-00-451-0570

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

004510570

Product Features

Second end description is inlet

Detail Specifications

Thread Class:

3a 2nd end

Thread Class:

3b 1st end

Thread Direction:

Right-hand 2nd end

Thread Direction:

Right-hand 1st end

Flow Control Device:

Poppet

Bonnet Type:

Packing retaining

Disk Loading Method:

Spring

Valve Discharge Flow Rate:

6.0 gallons per minute

Maximum Operating Temp:

275.0 degrees fahrenheit single response

Connection Style:

G4 gasket sea (boss) 1st end

Connection Style:

G50 external seat for gasket seal (boss) 2nd end

Connection Style:

External seat for gasket seal (boss) 2nd end

Connection Style:

Gasket sea (boss) 1st end

Valve Operation Method:

Automatic

Connection Type:

Threaded external boss 2nd end

Connection Type:

Threaded internal boss 1st end

Features Provided:

Pressure tight outlet side

Thready Qty Per Inch (tpi):

16 1st end

Thready Qty Per Inch (tpi):

16 2nd end

Maximum Operating Pressure:

35.0 pounds per square inch single response

Thread Size:

0.750 inches 1st end

Thread Size:

0.750 inches 2nd end

Opening Pressure Setting:

48.0 pounds per square inch

Outside Diameter Tube Accommodated:

0.500 inches 1st end

Outside Diameter Tube Accommodated:

0.500 inches 2nd end

Material:

Steel comp 303 body

Material:

Steel comp 303 seat

Material:

Steel comp 630 flow control device

Material Specification:

Ams 5643 mfr ref 2nd material response flow control device

Material Specification:

Qq-s-764, type 303-canceled federal specification 1st material response body

Material Specification:

Qq-s-764, type 303-canceled federal specification 3rd material response seat

Media For Which Designed:

Hydraulic fluid, mineral base single response

Thread Series Designator:

Unf 2nd end

Thread Series Designator:

Unjf 1st end

NSN:

4820-00-451-0570

Item Name:

Lock Valve Assembly

Cage Code:

06239

Manufacturer Part Numbers

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

65651-09106-102

Cage Code:

78286

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:

0.2000lbs

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:

Construction Materials

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Pricing & Availability

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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.