2990-00-288-6432

Find complete technical information, availability, and procurement data for: 2990-00-288-6432
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-288-6432

Item Name Code

10849

Assigment Date

01/01/1963 (63 years ago)

air coolant type, 5.620 inches nominal overall diameter, unthreaded single inlet inlet connection type, 23.800 inches nominal overall length, dry design 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: 23.800 inches nominal
Inlet Connection Type: unthreaded single inlet
Overall Diameter: 5.620 inches nominal
Design Type: dry
Coolant Type: air
Muffler Design: straight through
Tube Quantity: 1
Body Shape: round
Inlet Location: centrally located 1n end section of body single inlet
Inlet Projection Length: 3.400 inches nominal single inlet3.400 inches nominal
Inlet Inside Diameter: 3.130 inches minimum and 3.150 inches maximum single inlet
Outlet Connection Type: unthreaded 1st outlet
Outlet Location: centrally located in end section of body 1st outlet
Outlet Projection Length: 3.400 inches nominal 1st outlet3.400 inches nominal
Outlet Outside Diameter: 3.080 inches minimum and 3.100 inches maximum 1st outlet
Material: steel location not otherwise specified
Material Document And Classification: qq-s-766,class 1 or class 2 fed spec single material response
Surface Treatment: aluminum

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2990-00-215-3866	No Name Available	06/06/1969
2990-00-374-9319	No Name Available	01/01/1963
2990-00-678-6106	No Name Available	05/23/1969

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
264116R91	Exhaust Muffler
264116R92	Exhaust Muffler
264117R91	Exhaust Muffler
427687	Exhaust Muffler
46110	Exhaust Muffler
46110-U	Exhaust Muffler
ABT46110	Exhaust Muffler
T-46110	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-288-6432?

The FSCG of the NSN 2990-00-288-6432 is 2990

Does the NSN 2990-00-288-6432 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-288-6432 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 2990-00-288-6432 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-288-6432 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 2990-00-288-6432 was assigned to the Federal Catalog?

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