The Pneumatic Muffler,exhaust-Intake, cataloged under National Stock Number 4330-01-247-4131, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4330-01-247-4131 |
| Item Name | Pneumatic Muffler,exhaust-Intake |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Status | ACTIVE |
| Operating Position | ANY ACCEPTABLE |
| FSC Application Data | F101/F110 ENGINE |
| Muffler Design | STRAIGHT THROUGH W/BAFFLE |
| Inlet Connection Type | THREADED LOCATION NOT OTHERWISE SPECIFIED |
| Body Shape | TAPERED |
| 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 |
|---|---|
| 4608 | 5/9 Secondary reference Scovill Inc Schrader Bellows Div |
| 4608-0008 | 3/9 Design control — primary reference Scovill Inc Schrader Bellows Div |
NSN 4330-01-247-4131 is a Pneumatic Muffler,exhaust-Intake, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2805-01-467-2273. Verify interchangeability with system specifications before substitution.
Key specifications for 4330-01-247-4131: Operating Position: ANY ACCEPTABLE; FSC Application Data: F101/F110 ENGINE; Overall Length: 1.875 INCHES NOMINAL IN; Muffler Design: STRAIGHT THROUGH W/BAFFLE. 5 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.