5746-N

View detailed technical data, stock status, and sourcing information for: 5746-N
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-447-4044

Item Name Code

10849

Assigment Date

01/01/1963 (63 years ago)

6.625 inches nominal overall diameter, air coolant type, dry design type, 9.562 inches nominal 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: 9.562 inches nominal
Inlet Connection Type: unthreaded single inlet
Overall Diameter: 6.625 inches nominal
Design Type: dry
Coolant Type: air
Muffler Design: baffle
Baffle Quantity: 1
Tube Quantity: 2
Body Shape: round
Operating Position: universal
Inlet Location: offset from center of end of body single inlet
Inlet Projection Length: 2.062 inches nominal single inlet2.062 inches nominal
Inlet Inside Diameter: 1.905 inches minimum and 1.925 inches maximum single inlet
Outlet Connection Type: unthreaded 1st outlet
Outlet Location: centrally located in end section of body 1st outlet
Outlet Projection Length: 2.375 inches nominal 1st outlet2.375 inches nominal
Outlet Outside Diameter: 1.780 inches minimum and 1.800 inches maximum 1st outlet
Special Features: steel clamp furnished for inlet connection
Material: steel location not otherwise specified

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2990-00-950-9843	No Name Available	07/24/1971

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
235834-C	Exhaust Muffler
235835AS	Exhaust Muffler
29056BS	Exhaust Muffler
5746-N	Exhaust Muffler
ABT5746	Exhaust Muffler
T-5746	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-447-4044?

The FSCG of the NSN 2990-00-447-4044 is 2990

Does the NSN 2990-00-447-4044 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-447-4044 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 2990-00-447-4044 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-447-4044 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 2990-00-447-4044 was assigned to the Federal Catalog?

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