T-5486

View detailed technical data, stock status, and sourcing information for: T-5486
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-571-0454

Item Name Code

10849

Assigment Date

01/01/1963 (63 years ago)

1.880 inches nominal 1st outlet1.880 inches nominal outlet inside diameter, dry design type, 26.625 inches nominal overall length, 6.625 inches nominal overall diameter, unthreaded 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: 26.625 inches nominal
Inlet Connection Type: unthreaded single inlet
Overall Diameter: 6.625 inches nominal
Outlet Inside Diameter: 1.880 inches nominal 1st outlet1.880 inches nominal
Design Type: dry
Coolant Type: air
Muffler Design: directional vane w/integral spark arrestor
Tube Quantity: 3
Body Shape: round
Operating Position: horizontal
Inlet Location: located on periphery of body 11.313 in. from end single inlet
Inlet Projection Length: 1.250 inches nominal single inlet1.250 inches nominal
Inlet Outside Diameter: 1.925 inches nominal single inlet1.925 inches nominal
Inlet Inside Diameter: 1.805 inches nominal single inlet1.805 inches nominal
Outlet Connection Type: unthreaded 1st outlet
Outlet Location: located in end of body 1st outlet
Outlet Projection Length: 3.750 inches nominal 1st outlet3.750 inches nominal
Outlet Outside Diameter: 2.000 inches nominal 1st outlet2.000 inches nominal
Material: steel location not otherwise specified
Surface Treatment: paint

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2990-00-656-7479	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
05486N	Exhaust Muffler
52967	Exhaust Muffler
5486N	Exhaust Muffler
ABT5486	Exhaust Muffler
S-1243-A	Exhaust Muffler
S1243	Exhaust Muffler
T-5486	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-571-0454?

The FSCG of the NSN 2990-00-571-0454 is 2990

Does the NSN 2990-00-571-0454 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-571-0454 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 2990-00-571-0454 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-571-0454 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 2990-00-571-0454 was assigned to the Federal Catalog?

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