The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-690-3753, 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 Dixon Valve & Coupling Company, Llc Div Dixon Fire. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-690-3753 |
| Primary Part Number | 300-AA-SS |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Dixon Valve & Coupling Company, Llc Div Dixon Fire |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 3.00 INCHES ALL ENDS IN |
| Connection Style | GROOVED ALL ENDS |
| Connection Type | UNTHREADED EXTERNAL PIPE FIRST FLUID END CONNECTION |
| Style Designator | MALE COUPLING HALF |
| Material | STEEL CORROSION RESISTING OVERALL |
| Quick Disconnect Method | PUSH-PULL 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 |
|---|---|
| 69.MD000-0968 | Rheinmetall Man Military Vehicles Australia Pty Ltd (AUS) |
| 300-AA-SS PRIMARY | Dixon Valve & Coupling Company, Llc Div Dixon Fire (USA) |
NSN 4730-01-690-3753 is a Coupling Half,quick Disconnect, manufactured by Dixon Valve & Coupling Company, Llc Div Dixon Fire, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-690-3753 has 2 manufacturer part numbers on file: 69.MD000-0968 (Rheinmetall Man Military Vehicles Australia Pty Ltd), 300-AA-SS (Dixon Valve & Coupling Company, Llc Div Dixon Fire).
Key specifications for 300-AA-SS: Nominal Pipe Size Accommodated: 3.00 INCHES ALL ENDS IN; Connection Style: GROOVED ALL ENDS; Connection Type: UNTHREADED EXTERNAL PIPE FIRST FLUID END CONNECTION; Style Designator: MALE COUPLING HALF. 6 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.