2990-00-363-6540

Find complete technical information, availability, and procurement data for: 2990-00-363-6540
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-363-6540

Item Name Code

77777

Assigment Date

01/01/1963 (63 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.

3.9375 in. hgt,0.750 in.thick,consists of 2 collars,p/n 1a2583,1 cup,p/n 2b2112,2 locks,p/n 1a2682,2 bolts,p/n 1a2681,2 nuts,p/n 1b4202 general characteristics item description

Product Characteristics

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

General Characteristics Item Description: 3.9375 in. hgt,0.750 in.thick,consists of 2 collars,p/n 1a2583,1 cup,p/n 2b2112,2 locks,p/n 1a2682,2 bolts,p/n 1a2681,2 nuts,p/n 1b4202

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2815-00-149-0058	No Name Available	01/01/1960

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
2A2325	Clutch Shifter Collar
75C56975-6540	Clutch Shifter Collar

FAQs

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

What is the FSCG of the NSN 2990-00-363-6540?

The FSCG of the NSN 2990-00-363-6540 is 2990

Does NSN 2990-00-363-6540 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 2990-00-363-6540 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-363-6540 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 2990-00-363-6540 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963