MC21582

View detailed technical data, stock status, and sourcing information for: MC21582
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Federal Supply Group

Aerospace Craft Components and Accessories

Federal Supply Classification

1680 Miscellaneous Aircraft Accessories and Components

National Stock Number

1680-01-547-8349

Item Name Code

77777

Assigment Date

02/01/2007 (19 years ago)

An item designed to fit over a packing gland by mating with a surface of a second part which together will retain into a narrow groove or confined space the packing, preformed or o-ring, or an item designed to fit over a rod or shaft, to mate with a stuffing box to confine packing material. It may function as a static or dynamic seal retainer with the packing located on, around, or in the centerline direction of the rod or shaft axis. It may have holes or joints for mounting, be threaded or unthreaded. See also packing nut and packing nut, stuffing tube.

agav criticality code justification, valve, regulating, sy (next higher assembly); mv-22 aircraft (end item) end item identification

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: valve, regulating, sy (next higher assembly); mv-22 aircraft (end item)
Criticality Code Justification: agav

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
MC21582	Spring,helical,c,ai

FAQs

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

What is the FSCG of the NSN 1680-01-547-8349?

The FSCG of the NSN 1680-01-547-8349 is 1680

Does NSN 1680-01-547-8349 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 1680-01-547-8349 contain precious materials?

Item does not contain precious metal.

Does NSN 1680-01-547-8349 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 1680-01-547-8349 was assigned to the Federal Catalog?

It was assigned 19 years ago, on Thu, Feb 1, 2007