5100-3688

View detailed technical data, stock status, and sourcing information for: 5100-3688
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-081-9798

Item Name Code

10849

Assigment Date

12/13/1967 (58 years ago)

unthreaded single inlet inlet connection type, dry design type, 20.000 inches nominal overall width, 58.000 inches nominal overall length, 12.000 inches nominal overall height

Product Characteristics

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

Overall Length: 58.000 inches nominal
Overall Height: 12.000 inches nominal
Overall Width: 20.000 inches nominal
Inlet Connection Type: unthreaded single inlet
Design Type: dry
Coolant Type: air
Body Shape: oval
Operating Position: universal
Inlet Location: offset on end of body single inlet
Inlet Projection Length: 2.000 inches nominal single inlet2.000 inches nominal
Inlet Outside Diameter: 5.500 inches nominal single inlet5.500 inches nominal
Outlet Connection Type: unthreaded 1st outlet
Outlet Location: offset on end of body 1st outlet
Outlet Projection Length: 2.000 inches nominal 1st outlet2.000 inches nominal
Outlet Outside Diameter: 5.000 inches nominal 1st outlet5.000 inches nominal
Special Features: 0.250 in. dia hole 5.750 in. dis c of inlet to c of hole for grounding strap
Material: steel corrosion resisting 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
5100-3688	Exhaust Muffler
E4	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-081-9798?

The FSCG of the NSN 2990-00-081-9798 is 2990

Does the NSN 2990-00-081-9798 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-081-9798 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 2990-00-081-9798 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-081-9798 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 2990-00-081-9798 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, Dec 13, 1967