1421D158-8
View detailed technical data, stock status, and sourcing information for: 1421D158-8
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Federal Supply Group
Engine Accessories
Federal Supply Classification
2990 Nonaircraft Miscellaneous Engine Accessories
National Stock Number
2990-00-488-8639
Item Name Code
10849
Assigment Date
05/18/1970 (56 years ago)
threaded single inlet inlet connection type, right-hand single inlet inlet thread direction, dry design type, 24.000 inches nominal overall length, 6.000 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
- 24.000 inches nominal
- Inlet Connection Type
- threaded single inlet
- Inlet Thread Direction
- right-hand single inlet
- Overall Diameter
- 6.000 inches nominal
- Design Type
- dry
- Coolant Type
- air
- Muffler Design
- multipass
- Tube Quantity
- 2
- Body Shape
- round
- Inlet Location
- offset located on end of body single inlet
- Inlet Projection Length
- 2.000 inches nominal single inlet2.000 inches nominal
- Inlet Thread Size
- 2-11-1/2 single inlet
- Inlet Thread Series Designator
- npt single inlet
- Inlet Thread Location
- external single inlet
- Outlet Connection Type
- threaded 1st outlet
- Outlet Location
- offset located on end of body 1st outlet
- Outlet Projection Length
- 2.000 inches nominal 1st outlet2.000 inches nominal
- Outlet Thread Size
- 2-11-1/2 1st outlet
- Outlet Thread Series Designator
- npt 1st outlet
- Outlet Thread Direction
- right-hand 1st outlet
- Outlet Thread Location
- external 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 |
|---|---|
| 1421D158-8 | Exhaust Muffler |
| 620GS2 | Exhaust Muffler |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 2990-00-488-8639?
The FSCG of the NSN 2990-00-488-8639 is 2990
Does the NSN 2990-00-488-8639 have a Schedule B code assigned?
Yes, the Schedule B code is 8708925000
Does NSN 2990-00-488-8639 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 2990-00-488-8639 contain precious materials?
Precious metal content is unknown
Does NSN 2990-00-488-8639 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 2990-00-488-8639 was assigned to the Federal Catalog?
It was assigned 56 years ago, on Mon, May 18, 1970
Professional Distribution
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