2990-00-459-4382

Find complete technical information, availability, and procurement data for: 2990-00-459-4382
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-459-4382

Item Name Code

10849

Assigment Date

01/01/1963 (63 years ago)

2.260 inches nominal 1st outlet2.260 inches nominal outlet inside diameter, dry design type, 6.000 inches nominal overall diameter, 29.250 inches minimum and 29.500 inches maximum overall length, unthreaded single inlet inlet connection type

Product Characteristics

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

Overall Length: 29.250 inches minimum and 29.500 inches maximum
Inlet Connection Type: unthreaded single inlet
Overall Diameter: 6.000 inches nominal
Outlet Inside Diameter: 2.260 inches nominal 1st outlet2.260 inches nominal
Design Type: dry
Coolant Type: air
Muffler Design: baffle
Baffle Quantity: 2
Tube Quantity: 1
Body Shape: round
Operating Position: horizontal
Inlet Location: centrally located in end sect of body single inlet
Inlet Projection Length: 1.500 inches nominal single inlet1.500 inches nominal
Inlet Outside Diameter: 3.105 inches nominal single inlet3.105 inches nominal
Inlet Inside Diameter: 3.010 inches nominal single inlet3.010 inches nominal
Outlet Connection Type: unthreaded 1st outlet
Outlet Location: centrally located in end sect of body 1st outlet
Outlet Projection Length: 1.500 inches nominal 1st outlet1.500 inches nominal
Outlet Outside Diameter: 2.355 inches nominal 1st outlet2.355 inches nominal
Material: steel location not otherwise specified
Surface Treatment: aluminum
Fsc Application Data: 1. engine,non-aircraft

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2990-00-459-3436	No Name Available	12/01/1977

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
11145A	Exhaust Muffler
141401H	Exhaust Muffler
7001859	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-459-4382?

The FSCG of the NSN 2990-00-459-4382 is 2990

Does the NSN 2990-00-459-4382 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-459-4382 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 2990-00-459-4382 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-459-4382 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 2990-00-459-4382 was assigned to the Federal Catalog?

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