NSN 6620-01-144-0827

Electrical Tachometer Indicator

DEMIL

Shelf Life

UOM

NIIN

Demil:

DEMIL/MLI

Shelf Life:

N/A

UOM:

1 EA

NIIN:

011440827

Pricing & Availability Check

Submit this form for stock availability and pricing.

Inventory

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

NS: 1
NE: 1

Please note that inventory for this NSN was updated 04/21/2025 and may have changed since then. Request a quote for up to date pricing and availability.

Product Definition Definition of approved item name (AIN): "INDICATOR,ELECTRICAL TACHOMETER"

An instrument which displays, in units of revolutions per minute, the transmitted rotational speed of a shaft for a specified elapsed time.

6620-01-144-0827 Spec. NSN part characteristics

MRC

Name

Detail

MRC:

ABMZ

Diameter

Between 1.930 inches and 1.940 inches

MRC:

ABRY

Length

10.000 inches

MRC:

ABWG

Scale Division Quantity

23 single indicator single scale

MRC:

ACDC

Current Type

Ac/dc

MRC:

ACYN

Ac Voltage Rating

5.0 volts

MRC:

ACYR

Dc Voltage Rating

24.0 volts

MRC:

AFRA

Contact Quantity

MRC:

AGAV

End Application

Kc135r acft

MRC:

AMNL

Presentation Type

Dial and digital display

MRC:

APSK

Scale Range

+0.1/+110.0 percent revolutions per minute all indicators all scales

MRC:

ASKN

Individual Marking

N2 % rpm; green band 89 to 95%; red radail marking at 105%

MRC:

ASKX

Electrical Connection Quantity

MRC:

ASKZ

Electrical Connection Identifying Number

To mate with ms27484t12f98s

MRC:

ASST

Pointer Type

Indicating single pointer

MRC:

BFQN

Display Type

Liquid crystal

MRC:

BFQP

Display Digit Quantity

MRC:

CRTL

Criticality Code Justification

Feat

MRC:

CXCY

Part Name Assigned By Controlling Agency

N2 tachometer indicator

MRC:

FEAT

Special Features

Tech order 1c-13 (k) r-4-4 fig 2; part of the pilot/copilot forward panel p/n 458-50046-508 and -513; weight no to exceed 2.5 lbs; white lighted; digital display not required to function after an emp event, dial and pointer are required to function; aft95

MRC:

SUPP

Supplementary Features

Tech order 5e6-2-64-4

MRC:

ZZZY

Reference Number Differentiating Characteristics

As differentiated by repair parts

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:

458-50035-502

Cage Code:

82918

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

8DJ356WAH1

Cage Code:

97424

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

458-50035-1

Cage Code:

82918

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

8DJ356WAD1

Cage Code:

97424

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

8DJ356WAK1

Cage Code:

97424

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:

08260

FIIG:

A532Q0

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.

Electrostatic Discharge (ESD) A

No known electrostatic discharge (esd) or electromagnetic interference (emi) sensitivity.

ADPE 0

Represents items with no adp components

Criticality F

The item is an aviation critical safety item/flight safety critical aircraft part (acsi/fscap).

Import and Export

Schedule B

NAIC

End Use

SITC

USDA

HITECH

Schedule B:

9029900000

NAICS:

334514

End Use Class:

21160

SITC:

87329

USDA:

HITECH:

Schedule B Codes Definitions:

Schedule B 9029900000

Parts and Accessories For Revolution Counters, Production Counters, Taximeters, Odometers, Pedometers and The Like

End Use Code 21160

Measuring, Testing, Control Instruments

Standard Intl. Trade Class (SITC) 87329

Parts and Accessories Of Revolution and Production Counters, Odometers, Pedometers, Speedometers, Tachometers, Strobescopes, Etc.

National motor freight and handling

NMFC

Class

UFC

LTL

LCL

WCC

TCC

SHC

ADC

ACC

NMFC:

061700

NMF Description:

Elec Appliances/instruments Noi

UFC:

34580

LTL:

Rating variable

LCL:

77.5

WCC:

658

TCC:

SHC:

ADC:

ACC:

Freight Codes Definitions:

Cargo Type (TCC) Z

No special type of cargo code applicable.

Water Commodity (WCC) 658

Electrical appliances, small.

Air Commodity (ACC) A

Supplies and equipment for aircraft and aerial targets, including aircraft and maintenance parts, aircraft accessories, aircraft.

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)