2990-00-859-5437

Find complete technical information, availability, and procurement data for: 2990-00-859-5437
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-859-5437

Item Name Code

10849

Assigment Date

10/06/1967 (58 years ago)

An item that controls the flow of a fluid by rotation of a ported plug within a suitable ported seat. It must not have any lubrication other than from the fluid controlled, nor contain any nonmetallic seal between plug and seat. See also valve, seatless and valve, plug.

29.000 inches nominal overall length, dry design type, unthreaded single inlet inlet connection type, 8.500 inches nominal overall diameter, 2.904 inches nominal 1st outlet2.904 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: 29.000 inches nominal
Inlet Connection Type: unthreaded single inlet
Overall Diameter: 8.500 inches nominal
Outlet Inside Diameter: 2.904 inches nominal 1st outlet2.904 inches nominal
Design Type: dry
Coolant Type: air
Muffler Design: baffle w/integral spark arrestor
Baffle Quantity: 2
Tube Quantity: 1
Body Shape: round
Operating Position: vertical
Inlet Location: located center of end of body single inlet
Inlet Projection Length: 3.000 inches nominal single inlet3.000 inches nominal
Inlet Outside Diameter: 3.096 inches nominal single inlet3.096 inches nominal
Inlet Inside Diameter: 3.000 inches nominal single inlet3.000 inches nominal
Outlet Connection Type: unthreaded 1st outlet
Outlet Location: located center of end of body 1st outlet
Outlet Projection Length: 3.188 inches nominal 1st outlet3.188 inches nominal
Outlet Outside Diameter: 3.000 inches nominal 1st outlet3.000 inches nominal
Special Features: equipped w/clean out plug 0.750 in. dia
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
SAM69-3VSS	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-859-5437?

The FSCG of the NSN 2990-00-859-5437 is 2990

Does the NSN 2990-00-859-5437 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-859-5437 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 2990-00-859-5437 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-859-5437 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 2990-00-859-5437 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Fri, Oct 6, 1967