NSN 4820-01-474-7838

Safety Relief Valve

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

014747838

Pricing & Availability Check

Submit this form for stock availability and pricing.

Inventory

This product may be available in the following quantities and conditions.

NE: 1

Please note that inventory for this NSN was updated 08/27/2025 and may have changed since then. Request a quote for up to date pricing and availability.

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.

4820-01-474-7838 Spec. NSN part characteristics

MRC

Name

Detail

MRC:

AQLR

Valve Operation Method

Automatic

MRC:

CQGM

Maximum Operating Pressure

182.0 pounds per square inch single response

MRC:

CWFD

Outside Diameter Tube Accommodated

1.000 inches all ends

MRC:

FEAT

Special Features

Next higher assembly nsn 5999-01-411-7098, cooler, fluid, electronic equipment. 82 plus/minus psi.Suppgitem used in a high purity cooling system. St be thoroughly cleaned and free from grease, oil, fluxes, liquid contaminants of any kind and other foreign material such as metal chips or lint. All ports and connections shall be sealed and protected with caps, plugs and any means suitable in prohibiting the entrance of foreign material during shipping and storage.Agavgnsn 1430-01-418-4396, radar set, semitrailer mounted

MRC:

MATT

Material

Stainless steel

MRC:

MDCL

Material Specification

Astm a582, 300 series assn standard single material response or ams 5640, 300 series assn standard single material response or ams5641, 300 series assn standard single material response

MRC:

MEDA

Media For Which Designed

Ethylene glycol 1st response

MRC:

SFTT

Surface Treatment

Passivate

MRC:

STDC

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

MRC:

STYL

Style Designator

Err-090

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:

11479375

Cage Code:

18876

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

11479375

Cage Code:

3B150

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

11479375

Cage Code:

49956

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

11479375

Cage Code:

54X10

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.

ADPE 0

Represents items with no adp components

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)

DLA Forecast / History

Maritime Supply Chain

06/2016	11/2016	05/2017
3.00	3.00	3.00