NSN 4820-00-001-0037

Safety Relief Valve

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

000010037

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.

4820-00-001-0037 Spec. NSN part characteristics

MRC

Name

Detail

MRC:

AAAR

Pipe Size Accommodated

0.375 inches 1st end

MRC:

AAJF

Thread Direction

Right-hand 1st end

MRC:

ADQU

Flow Control Device

Poppet

MRC:

ADSR

Bonnet Type

Inside screw

MRC:

ADST

Bonnet Attachment Method

Threaded

MRC:

ADSU

Disk Loading Method

Spring

MRC:

AEHZ

Maximum Operating Temp

280.0 degrees fahrenheit single response

MRC:

AHNC

Connection Style

Plain (pipe) 1st end

MRC:

AQLR

Valve Operation Method

Automatic

MRC:

AWLS

Connection Type

Threaded external pipe 1st end

MRC:

CQGM

Maximum Operating Pressure

200.0 pounds per square inch single response

MRC:

CQJX

Thread Size

0.375 inches 1st end

MRC:

CSDC

Opening Pressure Setting

2.0 pounds per square inch

MRC:

MATT

Material

Aluminum alloy 2024 body

MRC:

MDCL

Material Specification

Qq-a-225/6, alloy2024, t4 federal specification single material response seat

MRC:

MEDA

Media For Which Designed

Hydrogen 4th response

MRC:

SFTT

Surface Treatment

Anodize

MRC:

STDC

Surface Treatment Specification

Mil-a-8625, type 1 military specification single treatment response

MRC:

STYL

Style Designator

Straight through w/baffle

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:

D559A3M2

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Inidicates part number has been superseded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:

594

TCC:

SHC:

ADC:

ACC:

Freight Codes Definitions:

Cargo Type (TCC) Z

No special type of cargo code applicable.

Water Commodity (WCC) 594

Pumps and parts, (machinery and parts),(less than 35 feet).

Air Commodity (ACC) V

Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing.

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)