The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-533-1439, 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 W.w. Grainger, Inc. Div Government Sales Division. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-533-1439 |
| Primary Part Number | 30E719 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | W.w. Grainger, Inc. Div Government Sales Division |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 SEAL |
| Connection Style | BARBED OR SERRATED END FIRST QUICK DISCONNECT END |
| Connection Type | UNIVERSAL QUICK DISCONNECT FIRST QUICK DISCONNECT END |
| Style Designator | MALE COUPLING HALF |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Quick Disconnect Nominal Size | 0.250 INCHES FIRST QUICK DISCONNECT END IN |
| Surface Treatment | ZINC OVERALL |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Material | STEEL OVERALL |
| Quick Disconnect Method | PUSH-LOCK FIRST QUICK DISCONNECT 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 |
|---|---|
| 30E719 PRIMARY | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| Reference | Meaning |
|---|---|
| DW341A | 5/9 Secondary reference Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co |
| 1HPL1 | 5/9 Secondary reference W.w. Grainger, Inc. Div Government Sales Division |
| 6CX03 | 5/9 Secondary reference W.w. Grainger, Inc. Div Government Sales Division |
NSN 4730-01-533-1439 is a Coupling Half,quick Disconnect, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-533-1439 has 1 manufacturer part number on file: 30E719 (W.w. Grainger, Inc. Div Government Sales Division).
Key specifications for 30E719: Furnished Items and Quantity: 1 SEAL; Connection Style: BARBED OR SERRATED END FIRST QUICK DISCONNECT END; Connection Type: UNIVERSAL QUICK DISCONNECT FIRST QUICK DISCONNECT END; Style Designator: MALE COUPLING HALF. 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.