The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-558-5470, 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 Mine Safety Appliances Company. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-558-5470 |
| Primary Part Number | 10015841 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Mine Safety Appliances Company |
| Status | ACTIVE |
| Connection Style | PLAIN FIRST FLUID END CONNECTION |
| Connection Style | PUSH (INTERNAL) SECOND QUICK DISCONNECT END |
| Connection Type | THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION |
| Connection Type | INTERNAL QUICK DISCONNECT SECOND QUICK DISCONNECT END |
| Style Designator | FEMALE COUPLING HALF |
| Media for Which Designed | OXYGEN, GASEOUS SINGLE RESPONSE |
| Thread Series Designator | NPT FIRST FLUID END CONNECTION |
| 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 |
|---|---|
| 10015841 PRIMARY | Mine Safety Appliances Company (USA) |
| C497731-1 | Mine Safety Appliances Company (USA) |
| Reference | Meaning |
|---|---|
| 551-6405703 FIND 12 | 5/1 Secondary reference Naval Sea Systems Command |
| DF331255 FIND 12 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 4730-01-558-5470 is a Coupling Half,quick Disconnect, manufactured by Mine Safety Appliances Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-558-5470 has 2 manufacturer part numbers on file: 10015841 (Mine Safety Appliances Company), C497731-1 (Mine Safety Appliances Company).
Key specifications for 10015841: Connection Style: PLAIN FIRST FLUID END CONNECTION; Connection Style: PUSH (INTERNAL) SECOND QUICK DISCONNECT END; Connection Type: THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION; Connection Type: INTERNAL QUICK DISCONNECT SECOND QUICK DISCONNECT END. 7 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.