The Union,tube, cataloged under National Stock Number 4730-01-693-8271, 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 Swagelok Co. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-693-8271 |
| Primary Part Number | TI-400-6 |
| Item Name | Union,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Nominal Outside Diameter | 0.250 INCHES ALL ENDS IN |
| Material | TITANIUM OVERALL |
| 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 |
|---|---|
| W2T105443 | Evoqua Water Technologies Llc Dba Siemens Water Technologies Corp (USA) |
| TI-400-6 PRIMARY | Swagelok Co (USA) |
| Reference | Meaning |
|---|---|
| CVN-0100R ITEM 39 | C/1 Advisory reference — outside the item-of-supply concept Evoqua Water Technologies Llc Dba Siemens Water Technologies Corp |
NSN 4730-01-693-8271 is a Union,tube, manufactured by Swagelok Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-693-8271 has 2 manufacturer part numbers on file: W2T105443 (Evoqua Water Technologies Llc Dba Siemens Water Technologies Corp), TI-400-6 (Swagelok Co).
Key specifications for TI-400-6: Nominal Outside Diameter: 0.250 INCHES ALL ENDS IN; Part Name Assigned by Controlling Agency: TUBE FITTING, UNION; Material: TITANIUM OVERALL. 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.