The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-283-0328, 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 Resources Inc Dba Opw Engineered Systems. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-283-0328 |
| Primary Part Number | 733F-SS15 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Dover Resources Inc Dba Opw Engineered Systems |
| Status | ACTIVE |
| Connection Style | PLAIN ALL ENDS |
| Connection Type | EXTERNAL QUICK DISCONNECT ALL ENDS |
| Connection Type | THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION |
| Style Designator | MALE COUPLING HALF |
| Leg Length | 2.125 INCHES NOMINAL IN |
| Nominal Thread Size | 1.500 INCHES ALL ENDS IN |
| Material | STEEL CORROSION RESISTING BODY |
| Quick Disconnect Method | PUSH-PULL ALL ENDS |
| Thread Series Designator | NPT 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 |
|---|---|
| 150-F-SS | Dvcc, Llc (USA) |
| 633F-1.5SST | Dover Fluid Management, Inc. Div Dover Resources Inc. (USA) |
| 733F-SS15 PRIMARY | Dover Resources Inc Dba Opw Engineered Systems (USA) |
| Reference | Meaning |
|---|---|
| 633-F-1-1/2SS | 5/9 Secondary reference Dover Resources Inc Dba Opw Engineered Systems |
| 633-F-1-1/2SS | 5/9 Secondary reference U.S. Government activity |
| 633F-1.5SST | 5/9 Secondary reference Dover Resources Inc Dba Opw Engineered Systems |
| 633F-1.5SST | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-283-0328 is a Coupling Half,quick Disconnect, manufactured by Dover Resources Inc Dba Opw Engineered Systems, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-283-0328 has 3 manufacturer part numbers on file: 150-F-SS (Dvcc, Llc), 633F-1.5SST (Dover Fluid Management, Inc. Div Dover Resources Inc.), 733F-SS15 (Dover Resources Inc Dba Opw Engineered Systems).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-423-9961, 4730-01-589-8161. Verify interchangeability with system specifications before substitution.
Key specifications for 733F-SS15: Connection Style: PLAIN ALL ENDS; Connection Type: EXTERNAL QUICK DISCONNECT ALL ENDS; Connection Type: THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION; Style Designator: MALE COUPLING HALF. 9 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.