The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-232-5778, 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 Colder Products Co. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-232-5778 |
| Primary Part Number | MCD22-04BLK |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Colder Products Co |
| Status | ACTIVE |
| Connection Style | BARBED OR SERRATED END ALL ENDS |
| Nominal Inside Diameter Hose Accommodated | 0.250 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 |
| Leg Length | 1.130 INCHES NOMINAL IN |
| Surface Treatment | ZINC BODY |
| Material | COPPER ALLOY BODY |
| Quick Disconnect Method | PUSH-PULL SECOND 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 |
|---|---|
| MCD22-04BLK PRIMARY | Colder Products Co (USA) |
| Reference | Meaning |
|---|---|
| 13226E1761 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4730-01-232-5778 is a Coupling Half,quick Disconnect, manufactured by Colder Products Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-232-5778 has 1 manufacturer part number on file: MCD22-04BLK (Colder Products Co).
Key specifications for MCD22-04BLK: Connection Style: BARBED OR SERRATED END ALL ENDS; Nominal Inside Diameter Hose Accommodated: 0.250 INCHES ALL ENDS IN; Connection Type: UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION; Connection Type: EXTERNAL QUICK DISCONNECT ALL ENDS. 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.