HCF12450

View detailed technical data, stock status, and sourcing information for: HCF12450

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HCF12450
Federal Supply Group
Engine Accessories
National Stock Number
2990-00-903-8226
Item Name Code
10849
Assigment Date
06/20/1966 (60 years ago)

7.000 inches nominal overall diameter, 19.250 inches nominal overall length, air coolant type, 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
19.250 inches nominal
Inlet Connection Type
unthreaded single inlet
Overall Diameter
7.000 inches nominal
Design Type
dry
Coolant Type
air
Muffler Design
baffle
Baffle Quantity
1
Tube Quantity
2
Body Shape
round
Operating Position
universal
Inlet Location
located on side at end of body single inlet
Inlet Projection Length
8.875 inches nominal single inlet8.875 inches nominal
Inlet Outside Diameter
3.125 inches nominal single inlet3.125 inches nominal
Nonconnection Outlet Type And Quantity
1 round hole
Nonconnection Outlet Location
centrally located in end section of body
Nonconnection Outlet Size
3.375 in. od
Special Features
with two plugs,one mtg plate,one front plate,and one rear plate
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
ABT6718 Exhaust Muffler
HCF12450 Exhaust Muffler
T-6718 Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-903-8226?
The FSCG of the NSN 2990-00-903-8226 is 2990
Does the NSN 2990-00-903-8226 have a Schedule B code assigned?
Yes, the Schedule B code is 8708925000
Does NSN 2990-00-903-8226 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 2990-00-903-8226 contain precious materials?
Precious metal content is unknown
Does NSN 2990-00-903-8226 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 2990-00-903-8226 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Mon, Jun 20, 1966

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