OK-956

View detailed technical data, stock status, and sourcing information for: OK-956
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-466-6150

Item Name Code

10849

Assigment Date

01/01/1963 (63 years ago)

dry design type, 21.000 inches nominal overall length, unthreaded single inlet inlet connection type, 4.875 inches nominal overall diameter, 1.500 inches nominal 1st outlet1.500 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: 21.000 inches nominal
Inlet Connection Type: unthreaded single inlet
Overall Diameter: 4.875 inches nominal
Outlet Inside Diameter: 1.500 inches nominal 1st outlet1.500 inches nominal
Design Type: dry
Coolant Type: air
Muffler Design: straight through w/baffle
Baffle Quantity: 2
Tube Quantity: 1
Body Shape: round
Inlet Location: centrally located in end section of body single inlet
Inlet Projection Length: 1.500 inches nominal single inlet1.500 inches nominal
Inlet Outside Diameter: 2.125 inches nominal single inlet2.125 inches nominal
Inlet Inside Diameter: 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: 1.500 inches nominal 1st outlet1.500 inches nominal
Outlet Outside Diameter: 1.625 inches nominal 1st outlet1.625 inches nominal
Special Features: with 2 loop clamps,2 l-shaped brackets welded to periphery,2.500 in. long by 2.375 in. wide,0.500 in. from muffler end,bracket has 2 holes 0.375 id spaced 1.500 c to c
Material: steel location not otherwise specified

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2990-00-423-1128	No Name Available	01/01/1963

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
26190A	Exhaust Muffler
956	Exhaust Muffler
OK-956	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-466-6150?

The FSCG of the NSN 2990-00-466-6150 is 2990

Does the NSN 2990-00-466-6150 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-466-6150 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 2990-00-466-6150 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-466-6150 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 2990-00-466-6150 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963