The Muffler,exhaust, cataloged under National Stock Number 2990-01-469-7598, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Pacific Consolidated Industries Llc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-469-7598 |
| Primary Part Number | 581726-002 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Pacific Consolidated Industries Llc |
| Status | ACTIVE |
| Overall Diameter | 2.625 INCHES NOMINAL IN |
| Body Shape | ROUND |
| 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 |
|---|---|
| 581726-002 PRIMARY | Pacific Consolidated Industries Llc (USA) |
| 4440K43 | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 4440K30 | 5/9 Secondary reference Mcmaster-Carr Supply Co |
NSN 2990-01-469-7598 is a Muffler,exhaust, manufactured by Pacific Consolidated Industries Llc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-469-7598 has 2 manufacturer part numbers on file: 581726-002 (Pacific Consolidated Industries Llc), 4440K43 (Mcmaster-Carr Supply Co).
Key specifications for 581726-002: Overall Diameter: 2.625 INCHES NOMINAL IN; Overall Length: 4.750 INCHES NOMINAL IN; Body Shape: ROUND; Special Features: 3/8 IN. NPT-M CONNECTOR IN. 2 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.