The Tee,tube, cataloged under National Stock Number 4730-01-669-0555, 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 5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-669-0555 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Nominal Width Across Flats | 0.75 INCHES ALL ENDS IN |
| Nominal Thread Size | 0.25 INCHES ALL ENDS IN |
| Thread Quantity Per Inch | 18 ALL ENDS |
| Material | STEEL STAINLESS - USE STB000 TEE |
| 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 |
| Reference | Meaning |
|---|---|
| 1/4 MRO-SS | 3/9 Design control — primary reference Parker-Hannifin Corporation Div Tube Fittings Division |
NSN 4730-01-669-0555 is a Tee,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-669-0555: Nominal Width Across Flats: 0.75 INCHES ALL ENDS IN; Nominal Thread Size: 0.25 INCHES ALL ENDS IN; Thread Quantity Per Inch: 18 ALL ENDS; Material: STEEL STAINLESS - USE STB000 TEE. 5 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.