The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-063-7716, 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 8 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-063-7716 |
| Primary Part Number | B-4-TA-1-4 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Connection Style | PLAIN (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Tubing Wall Nominal Thickness for Which Designed | 0.030 INCHES FIRST END IN |
| Nominal Overall Length | 1.406 INCHES IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Nominal Thread Size | 0.250 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 |
|---|---|
| B-4-TA-1-4 PRIMARY | Swagelok Co (USA) |
| B-401-A-4 | Swagelok Co (USA) |
| 4-4 T2HF-B | Parker-Hannifin Corporation Div Instrumentation Products Division (USA) |
| 4AM4 | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA) |
| Reference | Meaning |
|---|---|
| B-4-TA-1-4 | 5/9 Secondary reference Cajon Co |
| 4AM4 | 5/9 Secondary reference J R Douglass Company |
| 400-12-4 | 5/9 Secondary reference Swagelok Co |
NSN 4730-00-063-7716 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 4730-00-063-7716 has 4 manufacturer part numbers on file: B-4-TA-1-4 (Swagelok Co), B-401-A-4 (Swagelok Co), 4-4 T2HF-B (Parker-Hannifin Corporation Div Instrumentation Products Division), 4AM4 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).
4 possible matches (shared part number, not a government interchangeability claim): 5306-00-151-1138, 6515-01-504-4722, 5331-01-523-4324. Verify interchangeability with system specifications before substitution.
Key specifications for B-4-TA-1-4: Connection Style: PLAIN (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Tubing Wall Nominal Thickness for Which Designed: 0.030 INCHES FIRST END IN; Nominal Overall Length: 1.406 INCHES IN. 8 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.