The Pneumatic Muffler,exhaust-Intake, cataloged under National Stock Number 4730-01-658-0727, 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 Parker Hannifin Corp Fluidpower Group Schrader Bellows Pneumatic Div. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-658-0727 |
| Primary Part Number | 04504 0004 |
| Item Name | Pneumatic Muffler,exhaust-Intake |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker Hannifin Corp Fluidpower Group Schrader Bellows Pneumatic Div |
| Status | ACTIVE |
| Coolant Type | AIR |
| Design Type | DRY |
| Inlet Thread Location | EXTERNAL SINGLE INLET |
| Supplementary Features | HEX SIZE 1/2 INCH; MAX OPERATING PRESSURE 250 PSIG(AIR); OPERATING TEMPERATURE 0 T0 300 DEG F; CLEAN WITH COMMONLY USED SOLVENTS; BRASS AND BRONZE CONSTRUCTION IN |
| Inlet Connection Type | THREADED SINGLE INLET |
| Inlet Thread Size | 0.250 SINGLE INLET |
| 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 |
|---|---|
| 04504 0004 PRIMARY | Parker Hannifin Corp Fluidpower Group Schrader Bellows Pneumatic Div (USA) |
| 04504 0004 | Chief Fluid Systems Pty Ltd (AUS) |
NSN 4730-01-658-0727 is a Pneumatic Muffler,exhaust-Intake, manufactured by Parker Hannifin Corp Fluidpower Group Schrader Bellows Pneumatic Div, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-658-0727 has 2 manufacturer part numbers on file: 04504 0004 (Parker Hannifin Corp Fluidpower Group Schrader Bellows Pneumatic Div), 04504 0004 (Chief Fluid Systems Pty Ltd).
Key specifications for 04504 0004: Coolant Type: AIR; Design Type: DRY; Inlet Thread Location: EXTERNAL SINGLE INLET; Supplementary Features: HEX SIZE 1/2 INCH; MAX OPERATING PRESSURE 250 PSIG(AIR); OPERATING TEMPERATURE 0 T0 300 DEG F; CLEAN WITH COMMONLY USED SOLVENTS; BRASS AND BRONZE CONSTRUCTION IN. 6 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.