The Coupling Assembly,quick Disconne, cataloged under National Stock Number 4730-01-654-2641, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-654-2641 |
| Item Name | Coupling Assembly,quick Disconne |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.250 INCHES FIRST QUICK DISCONNECT END IN |
| Connection Type | THREADED EXTERNAL PIPE FIRST QUICK DISCONNECT END |
| Nominal Thread Size | 0.250 INCHES FIRST QUICK DISCONNECT END IN |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Thread Quantity Per Inch | 18 FIRST QUICK DISCONNECT END |
| Material | STEEL STAINLESS - USE STB000 OVERALL |
| Thread Series Designator | NPTF FIRST 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 |
| Reference | Meaning |
|---|---|
| SH2C | 3/2 Design control — primary reference U.S. Government activity |
| SH2C | 3/9 Design control — primary reference Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division |
| SH2C | C/1 Advisory reference — outside the item-of-supply concept Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division |
NSN 4730-01-654-2641 is a Coupling Assembly,quick Disconne, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-654-2641: Nominal Pipe Size Accommodated: 0.250 INCHES FIRST QUICK DISCONNECT END IN; Connection Type: THREADED EXTERNAL PIPE FIRST QUICK DISCONNECT END; Nominal Thread Size: 0.250 INCHES FIRST QUICK DISCONNECT END IN; Media for Which Designed: AIR SINGLE RESPONSE. 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.