NSN 4820-01-438-0521

Calibrated Flow Valve

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

014380521

Pricing & Availability Check

Submit this form for stock availability and pricing.

Inventory

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

NS: 53
SV: 1
AR: 1

Please note that inventory for this NSN was updated 01/19/2026 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,CALIBRATED FLOW"

A valve specifically designed to automatically maintain a predetermined discharge flow rate which may be adjustable within a specific range. It is designed to be used with various fluids and may be preset and/or adjustable. It may be in-line or cartridge (manifold) design. Excludes valve, regulating, feed water; valve, regulating, fluid pressure; valve, regulating, fuel oil; valve, regulating, oil pressure, automatic pilot; vavle, regulating, temperature; valve, angle; and valve, globe.

4820-01-438-0521 Spec. NSN part characteristics

MRC

Name

Detail

MRC:

AAFZ

Body Material

Steel, corrosion resisting

MRC:

AAJP

Outside Surface Treatment

Passivated

MRC:

AAQL

Body Style

Straight thru

MRC:

ACKM

First End Connection Type

Threaded external tube

MRC:

ACKN

First End Style Designator

Flared

MRC:

ACLH

First End Outside Diameter Tube Accommodated

0.500 inches

MRC:

ACLJ

First End Thread Size And Series/type Designator

3/4-16 unjf

MRC:

ACLK

First End Thread Class

MRC:

ACLL

First End Thread Direction

Right-hand

MRC:

ACLR

Second End Relationship With First End

Not identical

MRC:

ACLS

Second End Connection Type

Threaded external tube

MRC:

ACLT

Second End Style Designator

Flared

MRC:

ACMP

Second End Outside Diameter Tube Accommodated

0.375 inches

MRC:

ACMQ

Second End Thread Size And Series/type Designator

9/16-18 unjf

MRC:

ACMR

Second End Thread Class

MRC:

ACMS

Second End Thread Direction

Right-hand

MRC:

ACTE

First End Seat Angle In Deg

37.0

MRC:

ACTF

Second End Seat Angle In Deg

37.0

MRC:

ADQU

Flow Control Device

Poppet

MRC:

ADQZ

End Connection Quantity

MRC:

ADSY

Valve Discharge Flow Rate

4.25 gallons per minute

MRC:

AGAV

End Application

Ticonderoga class cg (47)

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:

6323384

Cage Code:

53711

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

6323384-22

Cage Code:

53711

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

8941-06

Cage Code:

98087

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

Q2360-05-6

Cage Code:

98939

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

6323384-6

Cage Code:

53711

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

8941-6

Cage Code:

98087

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:

33212

FIIG:

A21100

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:

8481809015

NAICS:

332911

End Use Class:

21180

SITC:

74780

USDA:

HITECH:

Schedule B Codes Definitions:

Schedule B 8481809015

Operating, For Controlling Variables Such As Temperature, Pressure, Flow and Liquid Level Regulator Valves, Self

End Use Code 21180

Industrial Machines, Other

Standard Intl. Trade Class (SITC) 74780

Taps, Cocks, Valves and Similar Appliances, N.e.s.

National motor freight and handling

NMFC

Class

UFC

LTL

LCL

WCC

TCC

SHC

ADC

ACC

NMFC:

051080

NMF Description:

Gates Valves Bibcocks Faucets

UFC:

29300

LTL:

Rating variable

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) 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)