2990-00-876-9521

Find complete technical information, availability, and procurement data for: 2990-00-876-9521

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2990-00-876-9521
Federal Supply Group
Engine Accessories
National Stock Number
2990-00-876-9521
Item Name Code
10849
Assigment Date
01/01/1962 (64 years ago)

dry design type, 10.500 inches nominal overall length, 7.620 inches nominal overall diameter, unthreaded single inlet inlet connection type, air coolant 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
10.500 inches nominal
Inlet Connection Type
unthreaded single inlet
Overall Diameter
7.620 inches nominal
Design Type
dry
Coolant Type
air
Tube Quantity
2
Body Shape
round
Operating Position
universal
Inlet Location
offset in end section of body 1.300 in. dis centerline of inlet to centerline of body single inlet
Inlet Projection Length
1.800 inches nominal single inlet1.800 inches nominal
Inlet Inside Diameter
2.915 inches nominal single inlet2.915 inches nominal
Outlet Connection Type
unthreaded 1st outlet
Outlet Location
offset in end section of body opposite inlet end 1.500 in. dis c of body to c of outlet 1st outlet
Outlet Projection Length
1.500 inches nominal 1st outlet1.500 inches nominal
Outlet Outside Diameter
2.625 inches nominal 1st outlet2.625 inches nominal
Material
steel location not otherwise specified
Surface Treatment
aluminum alloy

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
2990-00-424-5584 No Name Available 11/19/1972

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
159699 Exhaust Muffler
78-69 Exhaust Muffler
A159699 Exhaust Muffler
ABT10579 Exhaust Muffler
T-10579 Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-876-9521?
The FSCG of the NSN 2990-00-876-9521 is 2990
Does the NSN 2990-00-876-9521 have a Schedule B code assigned?
Yes, the Schedule B code is 8708925000
Does NSN 2990-00-876-9521 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 2990-00-876-9521 contain precious materials?
Precious metal content is unknown
Does NSN 2990-00-876-9521 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 2990-00-876-9521 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962

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