The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-312-6756, 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 Tuboscope Vetco International Inc. Div Hydra Rig. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-312-6756 |
| Primary Part Number | C30266 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Tuboscope Vetco International Inc. Div Hydra Rig |
| Status | ACTIVE |
| FSC Application Data | TMU-27/M |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| C30266 PRIMARY | Tuboscope Vetco International Inc. Div Hydra Rig (USA) |
| Reference | Meaning |
|---|---|
| WG-4-4J | 5/9 Secondary reference Cal Fittings Inc |
| C30173 | 5/9 Secondary reference Hydra Rig Cryogenics Inc |
NSN 4730-01-312-6756 is a Adapter,straight,pipe to Tube, manufactured by Tuboscope Vetco International Inc. Div Hydra Rig, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-312-6756 has 1 manufacturer part number on file: C30266 (Tuboscope Vetco International Inc. Div Hydra Rig).
Key specifications for C30266: FSC Application Data: TMU-27/M; Criticality Code Justification: FEAT; Special Features: LOX CLEANED-CRITICAL ITEM. 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.