1680-01-474-0544

Find complete technical information, availability, and procurement data for: 1680-01-474-0544
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Federal Supply Group

Aerospace Craft Components and Accessories

Federal Supply Classification

1680 Miscellaneous Aircraft Accessories and Components

National Stock Number

1680-01-474-0544

Item Name Code

77777

Assigment Date

04/21/2000 (26 years ago)

An electronic device whose audio frequency input signals control power from a source independant of the input signal and delivers audio frequency output signals of greater amplitude with respect to current and/or voltage. The output signals characteristics are uniformly related to the input signals. It operates at frequencies of 20 kilohertzs and below. It may or may not have signal switching capabilities.

flange end has four holes 0.253 to 0.258 in. dia.; holes are equally spaced on same bolt circle 1.562 in. ra dius from center point of flange face; side radius of flange from center is 1.375 in.; 26 tooth internal spline h as minor dia. of 1.563 to 1.568 in. and major dia. of 1.754 in.; between pins 1.4718 to 1.4743 in.; pin dia. is 0.1080 in.; i.v.d. aluminum coated external areas; heat treated to 150000.0 p.s.i. min. tensile strength, rc 34-38 special features, adapter-coupling,blower drive shaft part name assigned by controlling agency, 3.186 inches nominal overall width, 2.135 inches nominal overall length, steel material

Product Characteristics

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

Overall Length: 2.135 inches nominal
Overall Width: 3.186 inches nominal
Part Name Assigned By Controlling Agency: adapter-coupling,blower drive shaft
Special Features: flange end has four holes 0.253 to 0.258 in. dia.; holes are equally spaced on same bolt circle 1.562 in. ra dius from center point of flange face; side radius of flange from center is 1.375 in.; 26 tooth internal spline h as minor dia. of 1.563 to 1.568 in. and major dia. of 1.754 in.; between pins 1.4718 to 1.4743 in.; pin dia. is 0.1080 in.; i.v.d. aluminum coated external areas; heat treated to 150000.0 p.s.i. min. tensile strength, rc 34-38
Material: steel

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
K874382-011	Shaft Coupling Adapter

FAQs

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

What is the FSCG of the NSN 1680-01-474-0544?

The FSCG of the NSN 1680-01-474-0544 is 1680

Does NSN 1680-01-474-0544 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 1680-01-474-0544 contain precious materials?

Item does not contain precious metal.

Does NSN 1680-01-474-0544 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 1680-01-474-0544 was assigned to the Federal Catalog?

It was assigned 26 years ago, on Fri, Apr 21, 2000