2990-00-480-7558

Find complete technical information, availability, and procurement data for: 2990-00-480-7558
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-480-7558

Item Name Code

10849

Assigment Date

09/08/1970 (55 years ago)

14.125 inches nominal overall length, unthreaded single inlet inlet connection type, 5.000 inches nominal overall diameter, dry design type, 1.755 inches minimum and 1.775 inches maximum 1st outlet outlet inside diameter

Product Characteristics

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

Overall Length: 14.125 inches nominal
Inlet Connection Type: unthreaded single inlet
Overall Diameter: 5.000 inches nominal
Outlet Inside Diameter: 1.755 inches minimum and 1.775 inches maximum 1st outlet
Design Type: dry
Coolant Type: air
Muffler Design: multipass
Tube Quantity: 3
Body Shape: round
Operating Position: horizontal
Inlet Location: on side of muffler,3-5/8 in. from center of tube to muffler end single inlet
Inlet Projection Length: 1.500 inches nominal single inlet1.500 inches nominal
Inlet Outside Diameter: 1.840 inches minimum and 1.860 inches maximum single inlet
Inlet Inside Diameter: 1.755 inches minimum and 1.775 inches maximum single inlet
Outlet Connection Type: unthreaded 1st outlet
Outlet Location: 0.688 in. c to c from horizontal center line 1st outlet
Outlet Projection Length: 1.500 inches nominal 1st outlet1.500 inches nominal
Outlet Outside Diameter: 1.840 inches minimum and 1.860 inches maximum 1st outlet
Material: steel location not otherwise specified

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
1615296	Exhaust Muffler
8885	Exhaust Muffler
ABT8885	Exhaust Muffler
T-8885	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-480-7558?

The FSCG of the NSN 2990-00-480-7558 is 2990

Does the NSN 2990-00-480-7558 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-480-7558 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 2990-00-480-7558 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-480-7558 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 2990-00-480-7558 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Tue, Sep 8, 1970