The Coupling,tube, cataloged under National Stock Number 4730-01-696-1213, 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 Western Enterprises. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-696-1213 |
| Primary Part Number | QDB302 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Western Enterprises |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.625 INCHES FIRST END IN |
| Connection Style | BARBED OR BEADED (HOSE) SECOND END |
| Coupling Flange Shape | HEXAGON |
| Nominal Outside Diameter Hose Accommodated | 0.625 INCHES FIRST END IN |
| Connection Type | THREADED EXTERNAL HOSE FIRST END |
| Connection Type | UNTHREADED INTERNAL TUBE SECOND END |
| Style Designator | INSERT COUPLING |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Outside Diameter | 0.625 INCHES FIRST END IN |
| Media for Which Designed | GAS SINGLE RESPONSE |
| Thread Quantity Per Inch | 18 FIRST END |
| Material | COPPER AND ZINC OVERALL |
| 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 |
|---|---|
| QDB302 PRIMARY | Western Enterprises (USA) |
| Reference | Meaning |
|---|---|
| 11B5091738 | 7/2 Vendor item drawing reference Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army |
NSN 4730-01-696-1213 is a Coupling,tube, manufactured by Western Enterprises, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-696-1213 has 1 manufacturer part number on file: QDB302 (Western Enterprises).
Key specifications for QDB302: Nominal Pipe Size Accommodated: 0.625 INCHES FIRST END IN; Connection Style: BARBED OR BEADED (HOSE) SECOND END; Coupling Flange Shape: HEXAGON; Nominal Outside Diameter Hose Accommodated: 0.625 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.