The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-445-4403, 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 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-00-445-4403 |
| Primary Part Number | SS-6-TSW-7-4 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.250 INCHES SECOND END0.250 INCHES SECOND END IN |
| Connection Style | SOCKET (TUBE) FIRST ENDSOCKET (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END |
| Tubing Wall Nominal Thickness for Which Designed | 0.032 INCHES FIRST END IN |
| Nominal Overall Length | 1.250 INCHES IN |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST ENDUNTHREADED INTERNAL TUBE FIRST END |
| Connection Type | THREADED INTERNAL PIPE SECOND ENDTHREADED INTERNAL PIPE SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Operating Pressure | 2300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.250 INCHES SECOND END0.250 INCHES SECOND END IN |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPT 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 |
|---|---|
| SS-6-TSW-7-4 PRIMARY | Swagelok Co (USA) |
| Reference | Meaning |
|---|---|
| 6SW7-4 | 5/9 Secondary reference Cajon Co |
| SS-6-TSW-7-4 | 5/9 Secondary reference Cajon Co |
NSN 4730-00-445-4403 is a Adapter,straight,pipe to Tube, manufactured by Swagelok Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-445-4403 has 1 manufacturer part number on file: SS-6-TSW-7-4 (Swagelok Co).
Key specifications for SS-6-TSW-7-4: Nominal Pipe Size Accommodated: 0.250 INCHES SECOND END0.250 INCHES SECOND END IN; Connection Style: SOCKET (TUBE) FIRST ENDSOCKET (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END; Tubing Wall Nominal Thickness for Which Designed: 0.032 INCHES FIRST END IN. 12 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.