10307-N

View detailed technical data, stock status, and sourcing information for: 10307-N
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-498-3775

Item Name Code

10849

Assigment Date

10/08/1969 (56 years ago)

4.265 inches nominal 1st outlet4.265 inches nominal outlet inside diameter, unthreaded single inlet inlet connection type, 9.625 inches nominal overall height, 32.500 inches nominal overall length, 5.875 inches nominal overall width

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Overall Length: 32.500 inches nominal
Overall Height: 9.625 inches nominal
Overall Width: 5.875 inches nominal
Inlet Connection Type: unthreaded single inlet
Outlet Inside Diameter: 4.265 inches nominal 1st outlet4.265 inches nominal
Design Type: dry
Coolant Type: air
Muffler Design: straight through w/baffle
Baffle Quantity: 2
Tube Quantity: 2
Body Shape: oval
Operating Position: horizontal
Inlet Location: centrally located in end section of body single inlet
Inlet Projection Length: 2.000 inches nominal single inlet2.000 inches nominal
Inlet Inside Diameter: 4.515 inches nominal single inlet4.515 inches nominal
Inlet Integral Manifold Exhaust Pipe Length: 2.000 inches nominal single inlet2.000 inches nominal
Outlet Connection Type: unthreaded 1st outlet
Outlet Location: centrally located in end section of body 1st outlet
Outlet Projection Length: 2.000 inches nominal 1st outlet2.000 inches nominal
Outlet Integral Tail Pipe Length: 2.000 inches nominal 1st outlet2.000 inches nominal
Material: steel location not otherwise specified
Surface Treatment: aluminum

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
10307-N	Exhaust Muffler
13205E3401-2	Exhaust Muffler
484387	Exhaust Muffler
T10307	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-498-3775?

The FSCG of the NSN 2990-00-498-3775 is 2990

Does the NSN 2990-00-498-3775 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-498-3775 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 2990-00-498-3775 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-498-3775 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 2990-00-498-3775 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Wed, Oct 8, 1969