7371000

View detailed technical data, stock status, and sourcing information for: 7371000
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-737-1000

Item Name Code

10849

Assigment Date

01/01/1963 (63 years ago)

6.000 inches nominal overall height, 17.880 inches minimum and 18.120 inches maximum overall length, unthreaded single inlet inlet connection type, 3.000 inches nominal overall width, 1.400 inches nominal 1st outlet1.400 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: 17.880 inches minimum and 18.120 inches maximum
Overall Height: 6.000 inches nominal
Overall Width: 3.000 inches nominal
Inlet Connection Type: unthreaded single inlet
Outlet Inside Diameter: 1.400 inches nominal 1st outlet1.400 inches nominal
Design Type: dry
Coolant Type: air
Muffler Design: multipass
Baffle Quantity: 2
Tube Quantity: 3
Body Shape: oval
Operating Position: horizontal
Inlet Location: centrally located in end section of body single inlet
Inlet Projection Length: 1.440 inches minimum and 1.560 inches maximum single inlet
Inlet Outside Diameter: 1.735 inches nominal single inlet1.735 inches nominal
Inlet Inside Diameter: 1.630 inches minimum and 1.640 inches maximum single inlet
Outlet Connection Type: unthreaded 1st outlet
Outlet Location: located on vertical centerline,1-7/8 in. from horizontal centerline in end section of body 1st outlet
Outlet Projection Length: 3.810 inches nominal 1st outlet3.810 inches nominal
Outlet Outside Diameter: 1.500 inches nominal 1st outlet1.500 inches nominal
Nonconnection Outlet Type And Quantity: 1 perforated
Nonconnection Outlet Location: 3/8 inch from end of exhaust inlet
Nonconnection Outlet Size: 3/16 in. dia
Special Features: 35 deg bend with 2.5 in radius from exhaust outlet projection verticle centerline
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Below is a list of NSNs that have been officially superseded by this NSN: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
2990-00-532-5028	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
7371000	Exhaust Muffler
A9090	Exhaust Muffler
GPW5230C	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-737-1000?

The FSCG of the NSN 2990-00-737-1000 is 2990

Does the NSN 2990-00-737-1000 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-737-1000 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 2990-00-737-1000 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-737-1000 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 2990-00-737-1000 was assigned to the Federal Catalog?

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