The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-231-7060, 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 Dover Fluid Management, Inc. Div Dover Resources Inc.. Government technical data includes 8 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-231-7060 |
| Primary Part Number | 633LAS-4AL |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Dover Fluid Management, Inc. Div Dover Resources Inc. |
| Status | ACTIVE |
| Connection Style | PLAIN ALL ENDS |
| Connection Type | EXTERNAL QUICK DISCONNECT ALL ENDS |
| Connection Type | FLANGE FIRST FLUID END CONNECTION |
| Style Designator | MALE COUPLING HALF |
| Quick Disconnect Nominal Size | 4.000 INCHES ALL ENDS IN |
| Basic Shape Style | ROUND FIRST FLUID END CONNECTION |
| Material | ALUMINUM ALLOY BODY |
| Quick Disconnect Method | CAM-LOCKING 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 |
|---|---|
| 633LAS-4AL | Dover Fluid Management, Inc. Div Dover Resources Inc. (USA) |
| Reference | Meaning |
|---|---|
| 633LAS-4AL | 3/9 Design control — primary reference Pride Cast Metals, Inc. |
| 633-LAS 4IN | 5/9 Secondary reference Dover Resources Inc Dba Opw Engineered Systems |
| 633-LAS 4IN | 5/9 Secondary reference U.S. Government activity |
| 633LAS-4AL | 5/9 Secondary reference U.S. Government activity |
| 633LAS-4AL | 5/9 Secondary reference Dover Resources Inc Dba Opw Engineered Systems |
| PF40A | 5/9 Secondary reference Mindeco Corp |
NSN 4730-01-231-7060 is a Coupling Half,quick Disconnect, manufactured by Dover Fluid Management, Inc. Div Dover Resources Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-231-7060 has 1 manufacturer part number on file: 633LAS-4AL (Dover Fluid Management, Inc. Div Dover Resources Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-596-4606. Verify interchangeability with system specifications before substitution.
Key specifications for 633LAS-4AL: Connection Style: PLAIN ALL ENDS; Connection Type: EXTERNAL QUICK DISCONNECT ALL ENDS; Connection Type: FLANGE FIRST FLUID END CONNECTION; Style Designator: MALE COUPLING HALF. 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.