The Exhaust Air Chamber Assy,left Ha, cataloged under National Stock Number 2990-01-078-9974, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Maney Aircraft, Inc. Dba Maney Aircraft. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-078-9974 |
| Primary Part Number | 89309 |
| Item Name | Exhaust Air Chamber Assy,left Ha |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Maney Aircraft, Inc. Dba Maney Aircraft |
| Status | ACTIVE |
| FSC Application Data | MISCELLANEOUS ENGINE ACCESSORIES,NONAIRCRAFT |
| General Characteristics Item Description | CONTAINS CLAMP 451 L,COVER 88950,MUFFLER 89278,TUBE 89305-3,EXHAUST AIR CHAMBER 88953-2 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 2990-01-078-9974 is a Exhaust Air Chamber Assy,left Ha, manufactured by Maney Aircraft, Inc. Dba Maney Aircraft, classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-01-078-9974 has 2 cross-referenced part numbers: 89309 (Maney Aircraft, Inc. Dba Maney Aircraft), 89309 (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit).
There are 3 known substitutes for 2990-01-078-9974: 3040-00-563-8130, 4720-00-994-1818, 4720-01-511-5124. Verify interchangeability with system specifications before substitution.
Key specifications for 89309: FSC Application Data: MISCELLANEOUS ENGINE ACCESSORIES,NONAIRCRAFT; General Characteristics Item Description: CONTAINS CLAMP 451 L,COVER 88950,MUFFLER 89278,TUBE 89305-3,EXHAUST AIR CHAMBER 88953-2; End Item Identification: PRESSURIZED CABIN TESTER,P/N 88998,4920-00-347-9455. 3 total characteristics are documented in the Federal Logistics Information System.