2990-01-399-0859

Find complete technical information, availability, and procurement data for: 2990-01-399-0859
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-01-399-0859

Item Name Code

10849

Assigment Date

11/16/1994 (31 years ago)

A bent hollow item, welded or seamless. It has a round, square or any other cross section, with a continuous periphery. It is primarily designed to convey fluids, gases and/or semisolids. Excludes:items of circular cross section which conform in dimensional characteristics to pipe, metallic; elbow, pipe; elbow, tube; bend, electrical conduit; bend, pipe, return; and bend, tube, return. For items with end fittings on one or both ends, see tube assembly, metal.

straight through muffler design, 167.6 millimeters nominal overall diameter, 3930-01-373-3625 end item identification, flange single inlet inlet connection type, 546.1 millimeters nominal overall length

Product Characteristics

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

Overall Length: 546.1 millimeters nominal
Inlet Connection Type: flange single inlet
Overall Diameter: 167.6 millimeters nominal
End Item Identification: 3930-01-373-3625
Muffler Design: straight through
Body Shape: round

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
2797468	Exhaust Muffler
M065073	Exhaust Muffler
MMBM06-5073	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-01-399-0859?

The FSCG of the NSN 2990-01-399-0859 is 2990

Does the NSN 2990-01-399-0859 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-01-399-0859 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 2990-01-399-0859 contain precious materials?

Item does not contain precious metal.

Does NSN 2990-01-399-0859 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 2990-01-399-0859 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Wed, Nov 16, 1994