The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-354-9053, 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 13 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-354-9053 |
| Primary Part Number | MCD28-1032 HT |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Colder Products Co |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 SEAL |
| Surface Treatment Document and Classification | QQ-C-320 TYPE 1,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE BODY |
| Connection Style | FLARE ALL ENDS |
| Connection Type | THREADED INTERNAL TUBE FIRST FLUID END CONNECTION |
| Style Designator | MALE COUPLING HALF |
| Nominal Outside Diameter Tube Accommodated | 0.125 INCHES ALL ENDS IN |
| Nominal Thread Size | 0.190 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES |
| Surface Treatment | CHROMIUM BODY |
| Thread Class | 2B ALL ENDS |
| Material | COPPER ALLOY BODY |
| Quick Disconnect Method | PUSH-PULL ALL ENDS |
| Thread Series Designator | UNF 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 |
|---|---|
| G309017-1 | Raytheon Company (USA) |
| G309017-1 | Raytheon Company Dba Raytheon Co (USA) |
| MCD28-1032 HT PRIMARY | Colder Products Co (USA) |
| MCD28-1032-HT-EPR SEAL | Colder Products Co (USA) |
| Reference | Meaning |
|---|---|
| G309017 | 5/9 Secondary reference Raytheon Company Div Corp |
| G309017 | 7/1 Vendor item drawing reference Raytheon Company Dba Raytheon Co |
| G309017-1 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 4730-01-354-9053 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 4730-01-354-9053 has 4 manufacturer part numbers on file: G309017-1 (Raytheon Company), G309017-1 (Raytheon Company Dba Raytheon Co), MCD28-1032 HT (Colder Products Co), MCD28-1032-HT-EPR SEAL (Colder Products Co).
Key specifications for MCD28-1032 HT: Furnished Items and Quantity: 1 SEAL; Surface Treatment Document and Classification: QQ-C-320 TYPE 1,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE BODY; Connection Style: FLARE ALL ENDS; Connection Type: THREADED INTERNAL TUBE FIRST FLUID END CONNECTION. 13 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.