NSN 2990-01-289-1670 · NIIN 012891670 · Part number 65A81C845
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 30003
Government record, cited
NSN 2990-01-289-1670 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-289-1670. Manufacturer of record part number: 65A81C845.
Manufacturer: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
General Description
The Connector,exhaust Pipe, cataloged under National Stock Number 2990-01-289-1670, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
No interchangeability data on file.
Other items in FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2990-00-001-0001
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2990-00-001-1248 · Item name not on file
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2990-00-001-1250 · Item name not on file
2990-00-001-2055
2990-00-001-2055 · Item name not on file
2990-00-001-3498
2990-00-001-3498 · Item name not on file
2990-00-001-3520
2990-00-001-3520 · Item name not on file
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2990-00-001-3521 · Item name not on file
2990-00-001-3522
CAP ASSEMBLY,MUFFLE
Frequently Asked Questions
What is NSN 2990-01-289-1670?
NSN 2990-01-289-1670 is a Connector,exhaust Pipe, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
What part numbers are listed for NSN 2990-01-289-1670?
NSN 2990-01-289-1670 has 1 manufacturer part number on file: 65A81C845 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
What are the specifications of 65A81C845?
Key specifications for 65A81C845: Design Form: PREBENT; Bend Angle in Deg: 45.0; Wall Thickness: 0.0581 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN; Special Features: PER QQ-S-766; FIRST LEG LG 7.750 IN.; SECOND LEG 4.250 IN. IN. 4 specifications are documented in the U.S. Government catalog.
Is NSN 2990-01-289-1670 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.