Model: 20256L1

Pressure And Temper Relief Valve

Properties:

Body Material

Nickel copper alloy, qq-n-288, comp a

Body Style

Angle give "adqm" and "adqn" only if flanged one or two ends

Stem Material

Nickel copper alloy, qq-n-286, class a or nickel copper alloy, qq-n-286, class b

Tempurature Rating

165.0 degrees fahrenheit

Seat Material

Nickel copper alloy, qq-n-288, comp a

First Connection Face To Centerline Distance

6.938 inches

Second Connection Face To Centerline Distance

6.438 inches

Flow Control Device Material

Nickel copper alloy, qq-n-286, class a or nickel copper alloy, qq-n-286, class b

Adjustable Pressure Range

+501.0/+600.0 pounds per square inch

Tempurature Adjustability

Not adjustable

Criticality Code Justification

Zzzy

Fsc Application Data

Valve safety relief

Reference Number Differentiating Characteristics

Quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 items

NSN

4820-01-312-8198

Part Number

20256L1

Description

Valve,relief,pressure And Temper

CAGE

03950

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 20256L1 NSN 4820-01-312-8198

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:

26.0 X 22.0 X 22.0

Paclk Weight:

115.0000lbs

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:

77.5

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