The Flange,tee Coupling, cataloged under National Stock Number 4730-00-357-2228, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-357-2228 |
| Item Name | Flange,tee Coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY,ANODIZED AND DICHROMATE FINISH,USED WITH 2.000 IN. OD TUBE,2.57 IN. DIA,1.10 IN. LG IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| F14020A | 3/9 Design control — primary reference Eaton Aviation Corporation |
| F14020A | 5/1 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| F14020A | 5/1 Secondary reference Aar Supply Chain, Inc Dba Aar Defense Systems & Logistics |
NSN 4730-00-357-2228 is a Flange,tee Coupling, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-357-2228: General Characteristics Item Description: ALUMINUM ALLOY,ANODIZED AND DICHROMATE FINISH,USED WITH 2.000 IN. OD TUBE,2.57 IN. DIA,1.10 IN. LG IN; End Item Identification: FIRE PROTECTION SYSTEM PART NO. 7720000. 1 specification is 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.