2990-00-689-3299

Find complete technical information, availability, and procurement data for: 2990-00-689-3299
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-689-3299

Item Name Code

10849

Assigment Date

03/25/1972 (54 years ago)

dry design type, air coolant type, 6.000 inches nominal overall diameter, unthreaded single inlet inlet connection type, 45.500 inches nominal overall length

Product Characteristics

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

Overall Length: 45.500 inches nominal
Inlet Connection Type: unthreaded single inlet
Overall Diameter: 6.000 inches nominal
Design Type: dry
Coolant Type: air
Body Shape: round
Operating Position: universal
Inlet Location: centered on end of body single inlet
Inlet Projection Length: 5.250 inches nominal single inlet5.250 inches nominal
Inlet Inside Diameter: 6.000 inches nominal single inlet6.000 inches nominal
Outlet Connection Type: unthreaded 1st outlet
Outlet Location: centered on end of body 1st outlet
Outlet Projection Length: 2.250 inches nominal 1st outlet2.250 inches nominal
Outlet Outside Diameter: 4.250 inches nominal 1st outlet4.250 inches nominal
Material: steel location not otherwise specified

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
8S905	Exhaust Muffler
BS0905	Exhaust Muffler
IPD8S0905	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-689-3299?

The FSCG of the NSN 2990-00-689-3299 is 2990

Does the NSN 2990-00-689-3299 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-689-3299 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 2990-00-689-3299 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-689-3299 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 2990-00-689-3299 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sat, Mar 25, 1972