2990-00-995-1104

Find complete technical information, availability, and procurement data for: 2990-00-995-1104
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-995-1104

Item Name Code

10849

Assigment Date

04/04/1967 (59 years ago)

A toothed wheel whose teeth or sprockets are designed to be engaged with the links of a pitch chain, track, or the like. It is usually used for transmitting power.

dry design type, 4.625 inches nominal overall diameter, 19.625 inches nominal overall length, air coolant type, flange single inlet inlet connection type

Product Characteristics

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

Overall Length: 19.625 inches nominal
Inlet Connection Type: flange single inlet
Overall Diameter: 4.625 inches nominal
Design Type: dry
Coolant Type: air
Muffler Design: baffle
Baffle Quantity: 1
Tube Quantity: 3
Body Shape: round
Inlet Location: offset in end section of body single inlet
Inlet Projection Length: 3.250 inches nominal single inlet3.250 inches nominal
Inlet Flange Shape: oval single inlet
Inlet Flange Mounting Provision And Quantity: 2 holes single inlet2 holes
Inlet Flange Mounting Hole Diameter: 0.406 inches nominal single inlet0.406 inches nominal
Inlet Flange Mounting Provision Spacing: 2.688 in. c to c dim. of mtg holes single inlet
Outlet Connection Type: unthreaded 1st outlet
Outlet Location: on side of body 5.562 in. dim. c of outlet to c of inlet 1st outlet
Outlet Projection Length: 1.375 inches nominal 1st outlet1.375 inches nominal
Outlet Outside Diameter: 1.635 inches nominal 1st outlet1.635 inches nominal
Special Features: 90.0 deg @elbow for inlet flange
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
13216E1916	Exhaust Muffler
155-957	Exhaust Muffler
155D957	Exhaust Muffler
ABT10080	Exhaust Muffler
T-10080	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-995-1104?

The FSCG of the NSN 2990-00-995-1104 is 2990

Does the NSN 2990-00-995-1104 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-995-1104 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 2990-00-995-1104 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-995-1104 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 2990-00-995-1104 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Tue, Apr 4, 1967