NSN 4820-01-051-1120

Safety Relief Valve

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

010511120

Pricing & Availability Check

Submit this form for stock availability and pricing.

Product Definition Definition of approved item name (AIN): "VALVE,SAFETY RELIEF"

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.

4820-01-051-1120 Spec. NSN part characteristics

MRC

Name

Detail

MRC:

AAJF

Thread Direction

Right-hand 1st end

MRC:

ADQU

Flow Control Device

Poppet

MRC:

ADSU

Disk Loading Method

Spring

MRC:

AEHZ

Maximum Operating Temp

250.0 degrees fahrenheit single response

MRC:

AHNC

Connection Style

G9 plain, optional en (pipe) 2nd end

MRC:

AQLR

Valve Operation Method

Automatic

MRC:

AWLS

Connection Type

Threaded internal pipe 2nd end

MRC:

CBBL

Features Provided

Pressure tight outlet side

MRC:

CQCY

Adjustable Pressure Range

+200.0/+300.0 pounds per square inch

MRC:

CQGM

Maximum Operating Pressure

2500.0 pounds per square inch single response

MRC:

CQJX

Thread Size

0.250 inches 2nd end

MRC:

CSDC

Opening Pressure Setting

280.0 pounds per square inch

MRC:

MATT

Material

Copper alloy

MRC:

MEDA

Media For Which Designed

Hydrogen 5th response

MRC:

STYL

Style Designator

Err-090

MRC:

THSD

Thread Series Designator

Npt 1st end

Cross Reference Parts Part numbers that meet the specification outlined on this page and set by the OEM

Part Number

Cage

RNCC

RNVC

DAC

RNAAC

Status

MSDS

SADC

Part Number:

5159B-2MP-280

Cage Code:

91816

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Indicates a design/source control reference item

Inidicates part number has been superseded

Identification Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05488

FIIG:

A046B0

Concept No.:

App. Key:

Cond. Code:

Status:

Special material and handling

HMIC

PMIC

ESD

ENAC

ADPE

CRITL

HMIC:

PMIC:

ESD:

ADPE:

CRITL:

Hazmat (HMIC) N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Precious Metals (PMIC) U

Precious metal content is unknown

Criticality X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Import and Export

Schedule B

NAIC

End Use

SITC

USDA

HITECH

Schedule B:

8481400000

NAICS:

332911

End Use Class:

21180

SITC:

74740

USDA:

HITECH:

Schedule B Codes Definitions:

Schedule B 8481400000

Safety Or Relief Valves

End Use Code 21180

Industrial Machines, Other

Standard Intl. Trade Class (SITC) 74740

Safety Or Relief Valves

National motor freight and handling

NMFC

Class

UFC

LTL

LCL

WCC

TCC

SHC

ADC

ACC

NMFC:

127220

NMF Description:

Pressure Reg/red/relief Valves Noi

UFC:

64490

LTL:

77.5

LCL:

WCC:

576

TCC:

SHC:

ADC:

ACC:

Freight Codes Definitions:

Cargo Type (TCC) Z

No special type of cargo code applicable.

Water Commodity (WCC) 576

Metal and metal products, nos, (less than 35 feet).

Air Commodity (ACC) B

Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater.

Air Dimensions (ADC) A

Shipment is not a consolidation and does not exceed 84 inches in any dimension.

Air Special Handling (SHC) 9

Other or no special handling required (sh)