The Pipe,exhaust, cataloged under National Stock Number 2990-01-116-6889, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Riker Products Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-116-6889 |
| Primary Part Number | L225 |
| Item Name | Pipe,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Riker Products Inc |
| Status | ACTIVE |
| Design Form | PREBENT |
| Criticality Code Justification | FEAT |
| Usage Location | EXHAUST PIPE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| L225 PRIMARY | Riker Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 548007 | 5/9 Secondary reference U.S. Government activity |
| L225 | 5/9 Secondary reference Teck Exhaust Systems Inc |
| L225 | 5/9 Secondary reference Riker Products |
| 81219 | 5/9 Secondary reference Davey Compressor Co Div of Keco Industries Inc |
NSN 2990-01-116-6889 is a Pipe,exhaust, manufactured by Riker Products Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-116-6889 has 1 manufacturer part number on file: L225 (Riker Products Inc).
Key specifications for L225: Design Form: PREBENT; Criticality Code Justification: FEAT; Special Features: WEAPON SYSTEM ESSENTIAL. FEATURES - GRUMMAN AEROSPACE A-10 AIRCRAFT; End Item Identification: T-37 C-5, B-52, T-38 AIRCRAFT SUPPORT EQUIPMENT. SHIPBOARD MATERIAL HANDLING EQUIPMENT (MHE).. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.