T-14340

View detailed technical data, stock status, and sourcing information for: T-14340
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-766-2262

Item Name Code

10849

Assigment Date

01/01/1962 (64 years ago)

A rigid tubular item designed to direct the exhaust gases away from an engine, heater, or the like. For flexible items, see hose, metallic.

7.000 inches nominal overall diameter, jacketed design type, 34.500 inches nominal overall length, 2.500 inches nominal 1st outlet outlet inside diameter, 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: 34.500 inches nominal
Inlet Connection Type: unthreaded single inlet
Overall Diameter: 7.000 inches nominal
Outlet Inside Diameter: 2.500 inches nominal 1st outlet
Design Type: jacketed
Muffler Design: multipass
Tube Quantity: 3
Body Shape: round
Operating Position: horizontal
Inlet Location: centrally located on end of body single inlet
Inlet Projection Length: 2.625 inches nominal single inlet
Inlet Inside Diameter: 2.500 inches nominal single inlet
Outlet Connection Type: unthreaded 1st outlet
Outlet Location: offset located on end of body 1st outlet
Outlet Projection Length: 2.625 inches nominal 1st outlet
Material: asbestos insulation
Material: steel location not otherwise specified
Surface Treatment: aluminum or zinc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2990-00-069-8140	No Name Available	12/06/1968
2990-00-844-8424	No Name Available	03/01/1980

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
101526	Exhaust Muffler
1015V7	Exhaust Muffler
14340	Exhaust Muffler
14340-A	Exhaust Muffler
1920677	Exhaust Muffler
1986	Exhaust Muffler
21260	Exhaust Muffler
2229769	Exhaust Muffler
3638135	Exhaust Muffler
ABT14340	Exhaust Muffler
D053	Exhaust Muffler
T-14340	Exhaust Muffler
T-14340-A	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-766-2262?

The FSCG of the NSN 2990-00-766-2262 is 2990

Does the NSN 2990-00-766-2262 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-766-2262 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 2990-00-766-2262 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-766-2262 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 2990-00-766-2262 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962