6620-00-785-2251

Find complete technical information, availability, and procurement data for: 6620-00-785-2251
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Federal Supply Group

Instruments and Laboratory Equipment

Federal Supply Classification

6620 Engine Instruments

National Stock Number

6620-00-785-2251

Item Name Code

53187

Assigment Date

01/01/1962 (64 years ago)

generator, tachometer - alternator part name assigned by controlling agency, mfg drawings 2cm11baa5 and 327b390 reference data and literature, j85-ge-21, 21a, and 21b turbojet engines end item identification, operating voltage at 1200 rpm generator 21 volts, alternator 28 volts and 5 volts; 3 phases generator, 3 and 2 phases alternator; 2 poles generator and 12 poles alternator; drive end receptacle ms33678-14s-6p, connector end ms33678r-12s-3p; 0562 in. length of shaft from housing; flange mounting method; 4 unthreaded hole; 2.652 inches mounting facility circle diameter; self excited; 3 and 6 receptacle terminal type and qty; a15 single style single end; mechanically driven electromechanical unit; transmits electrical impulses to the tach indicator which shows rpm in percent special features

Product Characteristics

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

End Item Identification: j85-ge-21, 21a, and 21b turbojet engines
Part Name Assigned By Controlling Agency: generator, tachometer - alternator
Special Features: operating voltage at 1200 rpm generator 21 volts, alternator 28 volts and 5 volts; 3 phases generator, 3 and 2 phases alternator; 2 poles generator and 12 poles alternator; drive end receptacle ms33678-14s-6p, connector end ms33678r-12s-3p; 0562 in. length of shaft from housing; flange mounting method; 4 unthreaded hole; 2.652 inches mounting facility circle diameter; self excited; 3 and 6 receptacle terminal type and qty; a15 single style single end; mechanically driven electromechanical unit; transmits electrical impulses to the tach indicator which shows rpm in percent
Reference Data And Literature: mfg drawings 2cm11baa5 and 327b390

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
2CM11BAA5	Electrical Indicator Subassembly
327B309P6	Electrical Indicator Subassembly
327B390P6	Electrical Indicator Subassembly

FAQs

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

What is the FSCG of the NSN 6620-00-785-2251?

The FSCG of the NSN 6620-00-785-2251 is 6620

Does the NSN 6620-00-785-2251 have a Schedule B code assigned?

Yes, the Schedule B code is 9029900000

Does NSN 6620-00-785-2251 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 6620-00-785-2251 contain precious materials?

Item does not contain precious metal.

Does NSN 6620-00-785-2251 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 6620-00-785-2251 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962