A-44850

View detailed technical data, stock status, and sourcing information for: A-44850
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-056-4628

Item Name Code

10849

Assigment Date

01/01/1963 (63 years ago)

8.000 inches nominal overall width, 5.125 inches nominal overall height, flange single inlet inlet connection type, 8.125 inches nominal overall length, 1.500 inches nominal 1st outlet1.500 inches nominal 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: 8.125 inches nominal
Overall Height: 5.125 inches nominal
Overall Width: 8.000 inches nominal
Inlet Connection Type: flange single inlet
Outlet Inside Diameter: 1.500 inches nominal 1st outlet1.500 inches nominal
Design Type: dry
Coolant Type: air
Tube Quantity: 2
Body Shape: oval
Operating Position: horizontal
Inlet Location: located on periphery of body,1.875 in. from end single inlet
Inlet Flange Shape: oval single inlet
Inlet Flange Mounting Provision And Quantity: 2 holes single inlet2 holes
Inlet Flange Mounting Provision Thread Size: 3/8-16 single inlet
Inlet Flange Mounting Provision Thread Series Designator: unc single inlet
Inlet Flange Mounting Provision Thread Direction: right-hand single inlet
Inlet Flange Mounting Provision Spacing: 2-11/16 in. c to c dim. of mtg holes single inlet
Outlet Connection Type: unthreaded 1st outlet
Outlet Location: located on periphery on opposite side from inlet 1.750 in. from end opposite inlet 1st outlet
Outlet Projection Length: 0.938 inches nominal 1st outlet0.938 inches nominal
Outlet Outside Diameter: 1.635 inches nominal 1st outlet1.635 inches nominal
Material: steel location not otherwise specified
Surface Treatment: chromate

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2990-00-450-9120	No Name Available	04/14/1972

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
0109-0248	Exhaust Muffler
13211E4870	Exhaust Muffler
13211E4870-109-0248	Exhaust Muffler
1921	Exhaust Muffler
A-44850	Exhaust Muffler
AT1-1921	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-056-4628?

The FSCG of the NSN 2990-00-056-4628 is 2990

Does the NSN 2990-00-056-4628 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-056-4628 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 2990-00-056-4628 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-056-4628 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 2990-00-056-4628 was assigned to the Federal Catalog?

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