Model: 55980

Pressure And Temper Relief Valve

Properties:

Body Material

Aluminum alloy, qq-a-225/6, alloy 2024, t351

Outside Surface Treatment

Anodized, mil-a-8625

Body Style

Single connection, straight flow

Tempurature Rating

-65.0 degrees fahrenheit

Tempurature Rating

160.0 degrees fahrenheit

Media For Which Designed

Hydrocarbon fuels and oils

First End Connection Type

Threaded internal boss

First End Style Designator

Gasket seal

First End Thread Size And Series/type Designator

0.750-18 unjf

First End Thread Class

First End Thread Direction

Right-hand

Second End Relationship With First End

Not identical

Second End Connection Type

Threaded internal boss

Second End Style Designator

Gasket seal

Second End Thread Size And Series/type Designator

0.562-18 unjf

Second End Thread Class

Second End Thread Direction

Right-hand

Seat Material

Aluminum alloy, qq-a-225/6, alloy 2024, t351

Flow Control Device

Poppet

Flow Control Device Material

Cres qq-s-764 type 416

End Connection Quantity

Opening Pressure Setting

Not rated

Adjustable Pressure Range

Not rated

Valve Discharge Flow Rate

2.0 gallons per minute

Tempurature Adjustability

Not adjustable

Tempurature Control Device Type

Thermostatic

NSN

4820-01-016-2992

Part Number

55980

Description

Valve,relief,pressure And Temper

CAGE

99643

A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also valve, safety relief and valve, regulating. Temperature.

Part 55980 NSN 4820-01-016-2992

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16996

FIIG:

A07100

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:

127220

UFC:

64490

LTL:

77.5

LCL:

WCC:

576

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