154486

View detailed technical data, stock status, and sourcing information for: 154486

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154486
Federal Supply Group
Engine Accessories
National Stock Number
2990-00-462-8156
Item Name Code
10849
Assigment Date
05/09/1969 (57 years ago)

A heat transfer device having a tank(s) and core(s) specifically designed to reduce the temperature of the liquid in an internal combustion engine cooling system. Excludes:engine oil cooler radiators.

6.625 inches nominal overall diameter, 2.854 inches minimum and 2.874 inches maximum 1st outlet outlet inside diameter, 30.000 inches nominal overall length, unthreaded single inlet inlet connection type, 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
30.000 inches nominal
Inlet Connection Type
unthreaded single inlet
Overall Diameter
6.625 inches nominal
Outlet Inside Diameter
2.854 inches minimum and 2.874 inches maximum 1st outlet
Design Type
dry
Coolant Type
air
Muffler Design
baffle
Baffle Quantity
2
Tube Quantity
3
Body Shape
round
Operating Position
horizontal
Inlet Location
centrally located in end section of body single inlet
Inlet Projection Length
2.500 inches nominal single inlet2.500 inches nominal
Inlet Outside Diameter
3.626 inches minimum and 3.646 inches maximum single inlet
Inlet Inside Diameter
3.505 inches minimum and 3.525 inches maximum single inlet
Outlet Connection Type
unthreaded 1st outlet
Outlet Location
1.500 in. c to c from horizontal center line 1st outlet
Outlet Projection Length
3.500 inches nominal 1st outlet3.500 inches nominal
Outlet Outside Diameter
2.975 inches minimum and 2.995 inches maximum 1st outlet
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
154486 Exhaust Muffler
9986 Exhaust Muffler
ABT9986 Exhaust Muffler
T-9986 Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-462-8156?
The FSCG of the NSN 2990-00-462-8156 is 2990
Does the NSN 2990-00-462-8156 have a Schedule B code assigned?
Yes, the Schedule B code is 8708925000
Does NSN 2990-00-462-8156 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 2990-00-462-8156 contain precious materials?
Precious metal content is unknown
Does NSN 2990-00-462-8156 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 2990-00-462-8156 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Fri, May 9, 1969

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