2990-00-707-7522

Find complete technical information, availability, and procurement data for: 2990-00-707-7522
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-707-7522

Item Name Code

10849

Assigment Date

01/01/1963 (63 years ago)

unthreaded 1st inlet inlet connection type, 7.625 inches nominal overall length, grumman aircraft,model a10 end item identification, unthreaded 2nd inlet inlet connection type, 7.625 inches nominal overall 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: 7.625 inches nominal
Inlet Connection Type: unthreaded 1st inlet
Inlet Connection Type: unthreaded 2nd inlet
Overall Diameter: 7.625 inches nominal
End Item Identification: grumman aircraft,model a10
Outlet Inside Diameter: 2.390 inches nominal 1st outlet2.390 inches nominal
Design Type: dry
Coolant Type: air
Muffler Design: multipass
Tube Quantity: 3
Body Shape: round
Operating Position: horizontal
Inlet Location: in end section opposite outlet,in end section opposite outlet single inlet
Inlet Projection Length: 1.125 inches nominal 1st inlet
Inlet Projection Length: 1.125 inches nominal 2nd inlet
Inlet Inside Diameter: 1.781 inches nominal 1st inlet
Inlet Inside Diameter: 1.781 inches nominal 2nd inlet
Outlet Connection Type: unthreaded 1st outlet
Outlet Location: centrally located in end section opposite inlet 1st outlet
Outlet Projection Length: 2.000 inches nominal 1st outlet2.000 inches nominal
Special Features: with one clamp
Material: steel location not otherwise specified
Surface Treatment: aluminum

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
A222158	Exhaust Muffler
ABT6603	Exhaust Muffler
T-6603	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-707-7522?

The FSCG of the NSN 2990-00-707-7522 is 2990

Does the NSN 2990-00-707-7522 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-707-7522 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 2990-00-707-7522 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-707-7522 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 2990-00-707-7522 was assigned to the Federal Catalog?

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