Model: 1598AS133-1

Safety Relief Valve

Special Features:

Temperature: 120 degrees f to -321 degrees f; set pressure: 75 psig; proof pressure: 300 psi (min); capacity: valve shall be capable of discharging 100 cf/min of air at 108 psig(min) ; valve shall automatically reseat at no lower than 675 psig; relief valve shall be cleaned and packaged for oxygen service per mil-c-52211, method class a; clean work area is acceptable in lieu of controlled atmosphere; relief valve shall have permanent visible identification; ports shall be capped or plugged for shipment/storage

Properties:

Thread Direction

Right-hand 2nd end

Thread Direction

Right-hand 1st end

Connection Style

G46b plain (pipe) 1st end

Connection Style

G9 plain, optional en (pipe) 2nd end

Connection Type

Threaded external pipe 1st end

Connection Type

Threaded internal pipe 2nd end

Thread Size

0.500 inches 1st end

Thread Size

0.500 inches 2nd end

Part Name Assigned By Controlling Agency

Relief valve .500 npt inline

Material

Stainless steel

Media For Which Designed

Oxygen, liquid single response

Thread Series Designator

Ptf-sae short 1st end

Thread Series Designator

Ptf-sae short 2nd end

NSN

4820-01-511-1511

Part Number

1598AS133-1

Description

Valve,safety Relief

CAGE

30003

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 1598AS133-1 NSN 4820-01-511-1511

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:

0.3000lbs

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

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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