Model: H-993

Safety Relief Valve

Special Features:

Operating pressure 20.7 mpa; crack pressure 0.689 mpa to 1.034 mpa; temperature 219.26k to 408.15k; threaded internal tube 9/16-18 unjf-3a; length 35.56 mm

Properties:

Thread Class

3a all ends

Thread Direction

Right-hand all ends

Flow Control Device

Disk

Maximum Operating Temp

275.0 degrees fahrenheit single response

Connection Style

G46d plain (screw-in cartridge) all ends

Valve Operation Method

Automatic

Connection Type

Threaded cartridge all ends

Adjustable Pressure Range

+100.0/+150.0 pounds per square inch

Maximum Operating Pressure

3000.0 pounds per square inch single response

Thread Size

0.562 inches all ends

Material

Stainless steel flow control device

Material

Stainless steel seat

Media For Which Designed

Oil, hydraulic single response

Thread Series Designator

Unjf all ends

NSN

4820-01-107-4261

Part Number

H-993

Description

Valve,safety Relief

CAGE

06239

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 H-993 NSN 4820-01-107-4261

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:

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:

069100

UFC:

21275

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