The Union,tube, cataloged under National Stock Number 4730-01-607-6327, 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 Air-Way Manufacturing Company. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-607-6327 |
| Primary Part Number | 6565-4-4 |
| Item Name | Union,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Air-Way Manufacturing Company |
| Status | ACTIVE |
| Connection Style | SWIVEL NUT, GASKET SEAL (TUBE) ALL ENDS |
| Nominal Overall Length | 1.51 INCHES IN |
| Connection Type | THREADED INTERNAL TUBE ALL ENDS |
| Style Designator | THREADED INTERNAL |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES ALL ENDS IN |
| Operating Pressure | 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Thread Class | 2B ALL ENDS |
| Thread Quantity Per Inch | 20 ALL ENDS |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF ALL ENDS |
| 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 |
|---|---|
| 6565-4-4 PRIMARY | Air-Way Manufacturing Company (USA) |
| FU-4T-S316 | Hy-Lok Usa, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 17-3-3569-1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4730-01-607-6327 is a Union,tube, manufactured by Air-Way Manufacturing Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-607-6327 has 2 manufacturer part numbers on file: 6565-4-4 (Air-Way Manufacturing Company), FU-4T-S316 (Hy-Lok Usa, Inc.).
Key specifications for 6565-4-4: Connection Style: SWIVEL NUT, GASKET SEAL (TUBE) ALL ENDS; Nominal Overall Length: 1.51 INCHES IN; Connection Type: THREADED INTERNAL TUBE ALL ENDS; Style Designator: THREADED INTERNAL. 11 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.