NSN 4820-00-034-5877

Safety Relief Valve

DEMIL

Shelf Life

UOM

NIIN

Demil:

DEMIL/MLI

Shelf Life:

N/A

UOM:

1 EA

NIIN:

000345877

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.

4820-00-034-5877 Spec. NSN part characteristics

MRC

Name

Detail

MRC:

AAJD

Thread Class

3a 1st end

MRC:

AAJF

Thread Direction

Right-hand 1st end

MRC:

ADQU

Flow Control Device

Poppet

MRC:

ADSU

Disk Loading Method

Spring

MRC:

AHNC

Connection Style

Flared (tube) 1st end

MRC:

AQLR

Valve Operation Method

Automatic

MRC:

AWLS

Connection Type

Threaded external tube 1st end

MRC:

CMLP

Thready Qty Per Inch (tpi)

20 1st end

MRC:

CQGM

Maximum Operating Pressure

290.0 pounds per square inch single response

MRC:

CQJX

Thread Size

0.437 inches 1st end

MRC:

CQRB

Seat Angle

37.0 degrees 1st end

MRC:

CSDC

Opening Pressure Setting

23.0 pounds per square inch

MRC:

CWFD

Outside Diameter Tube Accommodated

0.250 inches 1st end

MRC:

MEDA

Media For Which Designed

Air single response

MRC:

STYL

Style Designator

Straight thru

MRC:

THSD

Thread Series Designator

Unf 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:

MC7543-1

Cage Code:

76050

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

53-720057-1

Cage Code:

76301

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Inidicates part number has been superseded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) A

Item does not contain precious metal.

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:

593

TCC:

SHC:

ADC:

ACC:

Freight Codes Definitions:

Cargo Type (TCC) Z

No special type of cargo code applicable.

Water Commodity (WCC) 593

Motors 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) Z

Other or no special handling required (sh)