T-4728

View detailed technical data, stock status, and sourcing information for: T-4728

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T-4728
Federal Supply Group
Engine Accessories
National Stock Number
2990-00-364-6781
Item Name Code
10849
Assigment Date
01/01/1963 (63 years ago)

3.250 inches nominal overall diameter, 3.375 inches nominal overall length, threaded single inlet inlet connection type, right-hand single inlet inlet thread direction, dry design 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
3.375 inches nominal
Inlet Connection Type
threaded single inlet
Inlet Thread Direction
right-hand single inlet
Overall Diameter
3.250 inches nominal
Design Type
dry
Coolant Type
air
Muffler Design
straight through
Tube Quantity
1
Body Shape
round
Operating Position
horizontal
Inlet Location
centrally located in end section of body single inlet
Inlet Thread Size
3/4-14 single inlet
Inlet Thread Series Designator
npt single inlet
Inlet Thread Location
internal single inlet
Nonconnection Outlet Type And Quantity
14 perforated
Nonconnection Outlet Location
in end section of bodyopposite inlet end
Nonconnection Outlet Size
0.125 in. dia
Material
steel location not otherwise specified
Surface Treatment
paint

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
2920-00-118-4881 No Name Available 01/01/1963
2990-00-346-5539 No Name Available 01/01/1963

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
155-0488 Exhaust Muffler
155-143 Exhaust Muffler
155-29 Exhaust Muffler
155A143 Exhaust Muffler
155B29 Exhaust Muffler
4728 Exhaust Muffler
8930 Exhaust Muffler
T-4728 Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-364-6781?
The FSCG of the NSN 2990-00-364-6781 is 2990
Does the NSN 2990-00-364-6781 have a Schedule B code assigned?
Yes, the Schedule B code is 8708925000
Does NSN 2990-00-364-6781 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 2990-00-364-6781 contain precious materials?
Precious metal content is unknown
Does NSN 2990-00-364-6781 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 2990-00-364-6781 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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