2990-01-547-3499

Find complete technical information, availability, and procurement data for: 2990-01-547-3499
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-01-547-3499

Item Name Code

61446

Assigment Date

01/18/2007 (19 years ago)

A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the body. (when the length, outside diameter, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see spacer, plate. Excludes:items with lubricating features, see bearing, sleeve and bushing, sleeve. See also bushing, tapered; spacer, ring; washer, flat; and washer, (as modified).

2990-01-547-3499, muffler- protective cap assembly

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
B809-6068	Muffler- Protective Cap Assembly

FAQs

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

What is the FSCG of the NSN 2990-01-547-3499?

The FSCG of the NSN 2990-01-547-3499 is 2990

Does the NSN 2990-01-547-3499 have a Schedule B code assigned?

Yes, the Schedule B code is 8412909080

Does NSN 2990-01-547-3499 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 2990-01-547-3499 contain precious materials?

Item does not contain precious metal.

Does NSN 2990-01-547-3499 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 2990-01-547-3499 was assigned to the Federal Catalog?

It was assigned 19 years ago, on Thu, Jan 18, 2007