The Pneumatic Muffler,exhaust-Intake, cataloged under National Stock Number 4330-01-248-2505, 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 Norgren C a Co. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-248-2505 |
| Primary Part Number | MB001A |
| Item Name | Pneumatic Muffler,exhaust-Intake |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Norgren C a Co |
| Status | ACTIVE |
| Outlet Connection Quantity | 1 |
| Inlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Inlet Connection Quantity | 1 |
| Inlet Thread Location | EXTERNAL LOCATION NOT OTHERWISE SPECIFIED |
| Inlet Projection Length | 0.405 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Thread Location | EXTERNAL FIRST OUTLET |
| Inlet Connection Type | THREADED LOCATION NOT OTHERWISE SPECIFIED |
| Outlet Projection Length | 0.405 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outlet Connection Type | THREADED LOCATION NOT OTHERWISE SPECIFIED |
| Outlet Location | LOCATED ON END OF BODY |
| 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 |
|---|---|
| MB001A PRIMARY | Norgren C a Co (USA) |
| Reference | Meaning |
|---|---|
| 14611600 ITEM 82 | 5/9 Secondary reference Gulf Coast Holdings, Inc Dba Unidynamics |
| 14611600 ITEM 82 | 5/9 Secondary reference U.S. Government activity |
| 14611600 ITEM 82 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4330-01-248-2505 is a Pneumatic Muffler,exhaust-Intake, manufactured by Norgren C a Co, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-248-2505 has 1 manufacturer part number on file: MB001A (Norgren C a Co).
Key specifications for MB001A: Outlet Connection Quantity: 1; Inlet Location: CENTRALLY LOCATED IN END SECTION OF BODY; Inlet Connection Quantity: 1; Inlet Thread Location: EXTERNAL LOCATION NOT OTHERWISE SPECIFIED. 10 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.