The Coupling Assembly,quick Disconne, cataloged under National Stock Number 4730-01-690-0652, 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 Pilatus Aircraft Ltd. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-690-0652 |
| Primary Part Number | 9571210001 |
| Item Name | Coupling Assembly,quick Disconne |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Pilatus Aircraft Ltd |
| Status | ACTIVE |
| Nominal Length | 1.75 INCHES IN |
| Nominal Outside Diameter | 0.6 INCHES IN |
| Material | STEEL STAINLESS - USE STB000 BODY |
| 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 |
|---|---|
| 9571210001 | Pilatus Aircraft Ltd (CHE) |
| Reference | Meaning |
|---|---|
| 5106-06B-Y15 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-690-0652 is a Coupling Assembly,quick Disconne, manufactured by Pilatus Aircraft Ltd, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-690-0652 has 1 manufacturer part number on file: 9571210001 (Pilatus Aircraft Ltd).
Key specifications for 9571210001: Nominal Length: 1.75 INCHES IN; Nominal Outside Diameter: 0.6 INCHES IN; Special Features: LINE SIZE-INLET:0.375 IN;MAXIMUM OPERATING PRESSURE (PSIG):4000;BURST PRESSURE:10,000 PSI;SLIDE-LOK QUICK-DISCONNECT IN; Part Name Assigned by Controlling Agency: DISCONNECT COUPLING. 3 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.