The Tee,tube, cataloged under National Stock Number 4730-01-122-7728, 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 Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Tee,tube |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc (CAGE 62228) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-122-7728 |
| Primary Part Number | 334544P01 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems 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 |
|---|---|
| 334544P01 | Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| ANSIB16.22 | 5/1 Secondary reference U.S. Government activity |
| 845-2445071 ITEM 58 | 5/1 Secondary reference U.S. Government activity |
| 845-2445071 | D/9 Drawing number reference only U.S. Government activity |
| W-4020 | 5/1 Secondary reference Mueller Brass Co. |
| 334544P01 | 5/9 Secondary reference Howden Fluid Systems |
| 15-00-9024 | 3/2 Design control — primary reference U.S. Government activity |
| 334544P01 | 5/9 Secondary reference Meggitt Defense Systems, Inc. Dba Meggitt Western Design |
NSN 4730-01-122-7728 is a Tee,tube, manufactured by Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-122-7728 has 1 manufacturer part number on file: 334544P01 (Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc).
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-123-1517, 4730-01-123-5704, 4710-01-181-1857. Verify interchangeability with system specifications before substitution.
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.