403060-40S

View detailed technical data, stock status, and sourcing information for: 403060-40S
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-703-1797

Item Name Code

10849

Assigment Date

12/17/1965 (60 years ago)

threaded single inlet inlet connection type, 23.500 inches nominal overall length, right-hand single inlet inlet thread direction, 8.000 inches nominal overall width, 8.000 inches nominal overall height

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Overall Length: 23.500 inches nominal
Overall Height: 8.000 inches nominal
Overall Width: 8.000 inches nominal
Inlet Connection Type: threaded single inlet
Inlet Thread Direction: right-hand single inlet
Design Type: dry
Coolant Type: air
Muffler Design: straight through
Tube Quantity: 4
Body Shape: rectangular
Inlet Location: centrally located in end section of body single inlet
Inlet Projection Length: 5.000 inches nominal single inlet5.000 inches nominal
Inlet Thread Size: 4-8 single inlet
Inlet Thread Series Designator: npt single inlet
Inlet Thread Location: external single inlet
Nonconnection Outlet Type And Quantity: 69600 perforated
Nonconnection Outlet Location: on sides of body
Nonconnection Outlet Size: 0.062 in. dia
Material: aluminum alloy 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
0311816 4Q-3060-40S	Exhaust Muffler
403060-40S	Exhaust Muffler
4A3060-40S	Exhaust Muffler
50225-EX8323-328	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-703-1797?

The FSCG of the NSN 2990-00-703-1797 is 2990

Does the NSN 2990-00-703-1797 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-703-1797 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 2990-00-703-1797 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-703-1797 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 2990-00-703-1797 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Fri, Dec 17, 1965