The Coupling,tube, cataloged under National Stock Number 4730-01-696-1358, 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 Weems Industries, Inc. Dba Weems Industries Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-696-1358 |
| Primary Part Number | A73440D-X |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Weems Industries, Inc. Dba Weems Industries Inc |
| Status | ACTIVE |
| Nominal Width Across Flats | 0.25 INCHES FIRST END IN |
| Nominal Pipe Size Accommodated | 0.25 INCHES FIRST END IN |
| Connection Style | BARBED OR BEADED (HOSE) SECOND END |
| Coupling Flange Shape | HEXAGON |
| Nominal Outside Diameter Hose Accommodated | 0.25 INCHES FIRST END IN |
| Connection Type | THREADED EXTERNAL HOSE FIRST END |
| Connection Type | UNTHREADED INTERNAL TUBE SECOND END |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Outside Diameter | 0.25 INCHES FIRST END IN |
| Material | ALUMINUM 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 |
|---|---|
| A73440D-X PRIMARY | Weems Industries, Inc. Dba Weems Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 19E2400432 | 7/2 Vendor item drawing reference Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army |
NSN 4730-01-696-1358 is a Coupling,tube, manufactured by Weems Industries, Inc. Dba Weems Industries Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-696-1358 has 1 manufacturer part number on file: A73440D-X (Weems Industries, Inc. Dba Weems Industries Inc).
Key specifications for A73440D-X: Nominal Width Across Flats: 0.25 INCHES FIRST END IN; Nominal Pipe Size Accommodated: 0.25 INCHES FIRST END IN; Connection Style: BARBED OR BEADED (HOSE) SECOND END; Coupling Flange Shape: HEXAGON. 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.