The Pneumatic Muffler,exhaust-Intake, cataloged under National Stock Number 4730-01-477-9961, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Better Engineering Manufacturing Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-477-9961 |
| Primary Part Number | 3306 |
| Item Name | Pneumatic Muffler,exhaust-Intake |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Better Engineering Manufacturing Inc |
| 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 |
|---|---|
| 3306 PRIMARY | Better Engineering Manufacturing Inc (USA) |
NSN 4730-01-477-9961 is a Pneumatic Muffler,exhaust-Intake, manufactured by Better Engineering Manufacturing Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-477-9961 has 1 manufacturer part number on file: 3306 (Better Engineering Manufacturing Inc).
Key specifications for 3306: Part Name Assigned by Controlling Agency: STEAM EXHAUST GROUP; End Item Identification: SPECIAL AIRCRAFT AND ENGINE TOOL AND SUPPORT EQUIPMENT. 0 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.