The Tee,pipe, cataloged under National Stock Number 4730-01-517-6079, 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 Corporation Div Instrumentation Products Division. Government technical data includes 14 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-517-6079 |
| Primary Part Number | 4-4-4-ST-SS |
| Item Name | Tee,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Div Instrumentation Products Division |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) THIRD END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Connection Type | THREADED INTERNAL PIPE THIRD END |
| Leg Length | 1.090 INCHES NOMINAL SECOND END IN |
| Leg Length | 0.880 INCHES NOMINAL THIRD END IN |
| Leg Length | 0.880 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Specification/standard Data | 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 46A FIGURE A |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | NPTF ALL ENDS |
| 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 |
|---|---|
| 4-4-4-ST-SS PRIMARY | Parker-Hannifin Corporation Div Instrumentation Products Division (USA) |
| 3771X4 PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| Reference | Meaning |
|---|---|
| 161K0000 ITEM 129 | 5/9 Secondary reference Drs Environmental Systems Inc |
| 161K0324 | D/9 Drawing number reference only U.S. Government activity |
| 161K0324-2 | 5/9 Secondary reference U.S. Government activity |
| 161K0000 ITEM 129 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 161K0000 ITEM 129 | 5/9 Secondary reference U.S. Government activity |
| 161K0324 PN 4-4-4-ST-SS | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 161K0324-2 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 161K0324 PN 4-4-4-ST-SS | 5/9 Secondary reference U.S. Government activity |
| 161K0324 PN 4-4-4-ST-SS | 5/9 Secondary reference Drs Environmental Systems Inc |
| 161K0324-2 | 5/9 Secondary reference Drs Environmental Systems Inc |
NSN 4730-01-517-6079 is a Tee,pipe, manufactured by Parker-Hannifin Corporation Div Instrumentation Products Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-517-6079 has 2 manufacturer part numbers on file: 4-4-4-ST-SS (Parker-Hannifin Corporation Div Instrumentation Products Division), 3771X4 (Danfoss Power Solutions II, Llc).
Key specifications for 4-4-4-ST-SS: Connection Style: PLAIN (PIPE) THIRD END; Connection Style: PLAIN (PIPE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Connection Type: THREADED INTERNAL PIPE FIRST END. 14 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.