235144

View detailed technical data, stock status, and sourcing information for: 235144
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-01-115-0970

Item Name Code

10849

Assigment Date

06/27/1981 (45 years ago)

An item of various shapes (usually circular, conical, cylindrical, or rectangular) used to prevent or regulate the flow of liquids or gases through the valve. May include a retainer, screw, holder, and the like.

1.845 inches nominal overall diameter, 4.465 inches nominal overall length, dry design type, right-hand single inlet inlet thread direction, threaded 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: 4.465 inches nominal
Inlet Connection Type: threaded single inlet
Inlet Thread Direction: right-hand single inlet
Overall Diameter: 1.845 inches nominal
Design Type: dry
Muffler Design: baffle
Baffle Quantity: 1
Body Shape: round
Operating Position: universal
Inlet Location: centrally located in end section of body single inlet
Inlet Projection Length: 0.650 inches nominal single inlet0.650 inches nominal
Inlet Thread Size: 0.438-20 single inlet
Inlet Thread Series Designator: unf single inlet
Inlet Thread Location: external single inlet
Nonconnection Outlet Type And Quantity: 1 perforated
Nonconnection Outlet Location: outer periphery of body
Nonconnection Outlet Size: 1.590 in. dia by 2.570 in. lg
Material: steel corrosion resisting and plastic phenolic location not otherwise specified
Surface Treatment: passivate

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
0311818	Exhaust Muffler
0399810	Exhaust Muffler
235144	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-01-115-0970?

The FSCG of the NSN 2990-01-115-0970 is 2990

Does the NSN 2990-01-115-0970 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-01-115-0970 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 2990-01-115-0970 contain precious materials?

Item does not contain precious metal.

Does NSN 2990-01-115-0970 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 2990-01-115-0970 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Sat, Jun 27, 1981