The Orifice Restrictor,gas, cataloged under National Stock Number 4730-01-270-4166, 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 John F Kennedy Space Center Dba Nasa Div Kennedy Space Center. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-270-4166 |
| Primary Part Number | 79K80239-74 |
| Item Name | Orifice Restrictor,gas |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | John F Kennedy Space Center Dba Nasa Div Kennedy Space Center |
| Status | ACTIVE |
| General Characteristics Item Description | 79K80239-74; STAINLESS STEEL,300 SERIES; TUBE SIZE 1/2 IN.; ORIFICE DIA. 0.120 IN.; OPERATING PRESSURE 6000 PSIG; MINUS 300 TO PLUS 250 DEG. F OPERATING TEMP.; BIDIRECTIONAL FLOW; AIR,NITROGEN,HELIUM,HYDROGEN AND OXYGEN SERVICE; MOUNT IN ANY POSITION IN |
| Criticality Code Justification | TEXT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 79K80239-74 PRIMARY | John F Kennedy Space Center Dba Nasa Div Kennedy Space Center (USA) |
| Reference | Meaning |
|---|---|
| AA1589-74 | 3/1 Design control — primary reference Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply |
| 79K80236-74 | 3/1 Design control — primary reference John F Kennedy Space Center Dba Nasa Div Kennedy Space Center |
| P889-74 | 3/1 Design control — primary reference Ausco Inc |
NSN 4730-01-270-4166 is a Orifice Restrictor,gas, manufactured by John F Kennedy Space Center Dba Nasa Div Kennedy Space Center, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-270-4166 has 1 manufacturer part number on file: 79K80239-74 (John F Kennedy Space Center Dba Nasa Div Kennedy Space Center).
Key specifications for 79K80239-74: General Characteristics Item Description: 79K80239-74; STAINLESS STEEL,300 SERIES; TUBE SIZE 1/2 IN.; ORIFICE DIA. 0.120 IN.; OPERATING PRESSURE 6000 PSIG; MINUS 300 TO PLUS 250 DEG. F OPERATING TEMP.; BIDIRECTIONAL FLOW; AIR,NITROGEN,HELIUM,HYDROGEN AND OXYGEN SERVICE; MOUNT IN ANY POSITION IN; Criticality Code Justification: TEXT. 2 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.