6620-01-278-8028

Find complete technical information, availability, and procurement data for: 6620-01-278-8028
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Federal Supply Group

Instruments and Laboratory Equipment

Federal Supply Classification

6620 Engine Instruments

National Stock Number

6620-01-278-8028

Item Name Code

08260

Assigment Date

05/10/1988 (38 years ago)

9.000 inches nominal length, 23 single indicator single scale scale division quantity, 5.0 volts nominal ac voltage rating, ac/dc current type, 1.930 inches minimum and 1.940 inches maximum diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Diameter: 1.930 inches minimum and 1.940 inches maximum
Length: 9.000 inches nominal
Scale Division Quantity: 23 single indicator single scale
Current Type: ac/dc
Ac Voltage Rating: 5.0 volts nominal
Dc Voltage Rating: 24.0 volts nominal
Contact Quantity: 10
End Item Identification: kc135r
Presentation Type: dial and digital display
Scale Range: +0.1 to 110.0 percent revolutions per minute all indicators all scales
Individual Marking: n2 % rpm; green band 89 to 95%; red radial marking at 105%
Electrical Connection Quantity: 1
Electrical Connection Identifying Number: to mate with ms27484t12f98s
Pointer Type: indicating single pointer
Display Type: liquid crystal
Display Digit Quantity: 4
Criticality Code Justification: feat
Part Name Assigned By Controlling Agency: n2 tachometer indicator
Special Features: indicates engine fan speed; vacuum sealed 2 in. can assembly; weight not to exceed 2.5lbs; white lighted; digital display not required to function after an emp event, dail & pointer are required to funtion;aft95
Supplementary Features: tech order1c-135(k)r-4-4 fig 2; part of the pilot/copilot forward panel p/n 458-50046-508 and -513
Reference Number Differentiating Characteristics: as differentiated by repair parts

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
SEL-C29K	Electrical Tachometer Indicator

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 6620-01-278-8028?

The FSCG of the NSN 6620-01-278-8028 is 6620

Does the NSN 6620-01-278-8028 have a Schedule B code assigned?

Yes, the Schedule B code is 9029900000

Does NSN 6620-01-278-8028 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 6620-01-278-8028 contain precious materials?

Item does not contain precious metal.

Does NSN 6620-01-278-8028 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 6620-01-278-8028 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Tue, May 10, 1988