551-AHK-1

View detailed technical data, stock status, and sourcing information for: 551-AHK-1
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Federal Supply Group

Instruments and Laboratory Equipment

Federal Supply Classification

6680 Mechanical Motion Measuring Instruments, Liquid Level and Liquid and Gas Flow

National Stock Number

6680-01-288-9809

Item Name Code

07115

Assigment Date

11/17/1988 (37 years ago)

A solid circular disk of wire-woven lining material or ceramic and metal substance and the like, molded to one or both sides and fastened directly or indirectly to the center spline or hub, which receives and transmits motion or power by engagement with the pressure plate assembly and the flywheel or the like. Includes dry or wet type disk, and may include damper springs. This item is designed to be used on marine, aircraft, and plant equipment in conjunction with a clutch assembly, friction.

+0.0 to 3200.0 revolutions per minute operating range, centrifugal unit type, 1 pointer quantity, 1 scale quantity, panel mounting type

Product Characteristics

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

Mounting Type: panel
Operating Range: +0.0 to 3200.0 revolutions per minute
Unit Type: centrifugal
Scale Quantity: 1
Pointer Quantity: 1

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
6680-01-296-1839	No Name Available	03/01/2007
6680-01-308-9192	No Name Available	07/01/1991

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
551-AHK	Fixed Moun Mechanical Tachometer
551-AHK-1	Fixed Moun Mechanical Tachometer
8920588	Fixed Moun Mechanical Tachometer

FAQs

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

What is the FSCG of the NSN 6680-01-288-9809?

The FSCG of the NSN 6680-01-288-9809 is 6680

Does NSN 6680-01-288-9809 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 6680-01-288-9809 contain precious materials?

Item does not contain precious metal.

Does NSN 6680-01-288-9809 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 6680-01-288-9809 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Thu, Nov 17, 1988