2990-00-587-5547

Find complete technical information, availability, and procurement data for: 2990-00-587-5547
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-587-5547

Item Name Code

10849

Assigment Date

01/01/1961 (65 years ago)

An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.

1.525 inches nominal 1st outlet1.525 inches nominal outlet inside diameter, unthreaded single inlet inlet connection type, 12.250 inches nominal overall length, 4.000 inches nominal overall diameter, 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: 12.250 inches nominal
Inlet Connection Type: unthreaded single inlet
Overall Diameter: 4.000 inches nominal
Outlet Inside Diameter: 1.525 inches nominal 1st outlet1.525 inches nominal
Design Type: dry
Coolant Type: air
Muffler Design: straight through w/baffle
Baffle Quantity: 1
Body Shape: round
Operating Position: universal
Inlet Location: located on side of body single inlet
Inlet Inside Diameter: 1.525 inches nominal single inlet1.525 inches nominal
Outlet Connection Type: unthreaded 1st outlet
Outlet Location: located on side of body 1st outlet
Material: steel location not otherwise specified

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
4692	Exhaust Muffler
667456	Exhaust Muffler
ABT4692	Exhaust Muffler
T-4692	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-587-5547?

The FSCG of the NSN 2990-00-587-5547 is 2990

Does the NSN 2990-00-587-5547 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-587-5547 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 2990-00-587-5547 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-587-5547 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 2990-00-587-5547 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961