The Pneumatic Muffler,exhaust-Intake, cataloged under National Stock Number 4330-01-367-0233, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-367-0233 |
| Item Name | Pneumatic Muffler,exhaust-Intake |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Status | ACTIVE |
| Operating Position | UNIVERSAL |
| Coolant Type | AIR |
| Design Type | DRY |
| Overall Diameter | 35.500 INCHES NOMINAL IN |
| Muffler Design | MULTIPASS W/INTEGRAL SPARK ARRESTOR |
| Body Shape | ROUND |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 11914523 | 5/9 Secondary reference Beaird Industries Inc. |
| 14" MNAC EXHAUST MUFFLER | 5/9 Secondary reference Maxco, Llc Dba Maxim Silencers |
| 11859-M | D/9 Drawing number reference only Beaird Industries Inc. |
| 14IN. MNAC-11859-M | 3/9 Design control — primary reference Maxco, Llc Dba Maxim Silencers |
| 14IN. MNAC-11859-M | 5/9 Secondary reference Beaird Industries Inc. |
| 141-8A6019 | 5/9 Secondary reference Maxco, Llc Dba Maxim Silencers |
NSN 4330-01-367-0233 is a Pneumatic Muffler,exhaust-Intake, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
Key specifications for 4330-01-367-0233: Operating Position: UNIVERSAL; Coolant Type: AIR; Design Type: DRY; Overall Diameter: 35.500 INCHES NOMINAL IN. 7 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.