The Pneumatic Muffler,exhaust-Intake, cataloged under National Stock Number 4330-01-332-8675, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. The manufacturer of record is Ge Aviation Systems, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Pneumatic Muffler,exhaust-Intake |
| FSC / FSG | 4330 — Centrifugals, Separators, and Pressure and Vacuum Filters (FSG 43) |
| Manufacturers | Ge Aviation Systems, Llc (CAGE 57301) |
| Parameter | Value |
|---|---|
| NSN | 4330-01-332-8675 |
| Primary Part Number | 23420 |
| Item Name | Pneumatic Muffler,exhaust-Intake |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Ge Aviation Systems, Llc |
| 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 |
|---|---|
| 23420 PRIMARY | Ge Aviation Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| A23420 | D/9 Drawing number reference only Ge Aviation Systems, Llc |
| 0154168 B168 | 5/2 Secondary reference U.S. Government activity |
| 0154168 | 5/9 Secondary reference U.S. Government activity |
NSN 4330-01-332-8675 is a Pneumatic Muffler,exhaust-Intake, manufactured by Ge Aviation Systems, Llc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-332-8675 has 1 manufacturer part number on file: 23420 (Ge Aviation Systems, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-436-4816. Verify interchangeability with system specifications before substitution.
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.