NSN 2990-01-259-2335 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-259-2335. Manufacturer of record part number: 8446860.
The Pipe,exhaust, cataloged under National Stock Number 2990-01-259-2335, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Libby Power Systems, Llc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Other items in FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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MUFFLER,EXHAUST
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MUFFLER,EXHAUST
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BLOCK,ADJUSTING SCREW
2990-00-903-8226
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CONNECTOR,EXHAUST PIPE
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CONNECTOR,EXHAUST PIPE
Frequently Asked Questions
What is NSN 2990-01-259-2335?
NSN 2990-01-259-2335 is a Pipe,exhaust, manufactured by Libby Power Systems, Llc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
What part numbers are listed for NSN 2990-01-259-2335?
NSN 2990-01-259-2335 has 2 manufacturer part numbers on file: 8446860 (Libby Power Systems, Llc), SMI-10841 (Steelmasters of Columbus Inc).
What are the specifications of 8446860?
Key specifications for 8446860: Design Form: PREBENT; Nominal Overall Length: 24.000 INCHES IN; Material Document and Classification: 6721,TYPE 347 MIL STD SINGLE MATERIAL RESPONSE; End Item Identification: 1730-01-146-2133. 5 specifications are documented in the U.S. Government catalog.
Is NSN 2990-01-259-2335 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.