The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-857-1065, 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 Parker-Hannifin Corporation Div Instrumentation Products Division. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-857-1065 |
| Primary Part Number | 6-4 T2HG-B |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Div Instrumentation Products Division |
| Status | ACTIVE |
| Connection Style | GROOVED (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Tubing Wall Nominal Thickness for Which Designed | 0.042 INCHES FIRST END IN |
| Nominal Overall Length | 1.406 INCHES IN |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Material | COPPER ALLOY 360 OVERALL |
| Thread Series Designator | NPTF SECOND END |
| 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 |
|---|---|
| 6-4 T2HG-B PRIMARY | Parker-Hannifin Corporation Div Instrumentation Products Division (USA) |
| 6-4T2HG-B | Forberg Scientific Inc (USA) |
| B-6-TA-7-4 PRIMARY | Swagelok Co (USA) |
| Reference | Meaning |
|---|---|
| 601A4F | 5/9 Secondary reference Swagelok Co |
| B-6-TA-7-4 | 5/9 Secondary reference Cajon Co |
| 6-4T2HG-B | 5/9 Secondary reference A. F. Brock & Co. Dba a. F. Brock & Co. / Ph, Inc |
NSN 4730-00-857-1065 is a Adapter,straight,pipe to Tube, manufactured by Parker-Hannifin Corporation Div Instrumentation Products Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-857-1065 has 3 manufacturer part numbers on file: 6-4 T2HG-B (Parker-Hannifin Corporation Div Instrumentation Products Division), 6-4T2HG-B (Forberg Scientific Inc), B-6-TA-7-4 (Swagelok Co).
Key specifications for 6-4 T2HG-B: Connection Style: GROOVED (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Tubing Wall Nominal Thickness for Which Designed: 0.042 INCHES FIRST END IN; Nominal Overall Length: 1.406 INCHES IN. 10 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.