The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-389-2203, 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 Ryan Herco Products Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-389-2203 |
| Primary Part Number | 1303-015 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Ryan Herco Products Corp |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 GASKET |
| Connection Style | BARBED OR SERRATED END ALL ENDS |
| Nominal Inside Diameter Hose Accommodated | 1.509 INCHES ALL ENDS IN |
| Connection Type | UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION |
| Connection Type | EXTERNAL QUICK DISCONNECT ALL ENDS |
| Style Designator | MALE COUPLING HALF |
| Material | PLASTIC 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 |
|---|---|
| 1303-015 PRIMARY | Ryan Herco Products Corp (USA) |
| Reference | Meaning |
|---|---|
| SK6632 ITEM 6 SHEET 2 OF 2 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-389-2203 is a Coupling Half,quick Disconnect, manufactured by Ryan Herco Products Corp, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-389-2203 has 1 manufacturer part number on file: 1303-015 (Ryan Herco Products Corp).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-512-4098. Verify interchangeability with system specifications before substitution.
Key specifications for 1303-015: Furnished Items and Quantity: 1 GASKET; Connection Style: BARBED OR SERRATED END ALL ENDS; Nominal Inside Diameter Hose Accommodated: 1.509 INCHES ALL ENDS IN; Connection Type: UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION. 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.