The Pipe,exhaust, cataloged under National Stock Number 2990-01-574-7963, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Mcmaster-Carr Supply Co. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Pipe,exhaust |
| FSC / FSG | 2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29) |
| Manufacturers | Mcmaster-Carr Supply Co (CAGE 39428) |
| Parameter | Value |
|---|---|
| NSN | 2990-01-574-7963 |
| Primary Part Number | 44675K12 |
| Item Name | Pipe,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 44675K12 | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 182K0092-1 | 5/9 Secondary reference Drs Environmental Systems Inc |
| 182K0092 | D/9 Drawing number reference only U.S. Government activity |
| 5-13-11538 | 3/2 Design control — primary reference U.S. Government activity |
| 182K0092-1 | 5/9 Secondary reference U.S. Government activity |
| 182K0092-1 | 3/9 Design control — primary reference U.S. Government activity |
NSN 2990-01-574-7963 is a Pipe,exhaust, manufactured by Mcmaster-Carr Supply Co, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-574-7963 has 1 manufacturer part number on file: 44675K12 (Mcmaster-Carr Supply Co).
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.