3899

View detailed technical data, stock status, and sourcing information for: 3899
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Federal Supply Group

Aerospace Craft Components and Accessories

Federal Supply Classification

1680 Miscellaneous Aircraft Accessories and Components

National Stock Number

1680-00-658-4400

Item Name Code

77777

Assigment Date

01/01/1963 (63 years ago)

A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes:shaft(1), straight; and axle(1), straight.

1680-00-658-4400, inertia reel lock

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
1680-00-546-0939	No Name Available	04/29/1967

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
3544530-3	Inertia Reel Lock
3899	Inertia Reel Lock
3899-1	Inertia Reel Lock

FAQs

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

What is the FSCG of the NSN 1680-00-658-4400?

The FSCG of the NSN 1680-00-658-4400 is 1680

Does the NSN 1680-00-658-4400 have a Schedule B code assigned?

Yes, the Schedule B code is 8803300060

Does NSN 1680-00-658-4400 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 1680-00-658-4400 contain precious materials?

Item does not contain precious metal.

Does NSN 1680-00-658-4400 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 1680-00-658-4400 was assigned to the Federal Catalog?

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