The Adapter,check Valve, cataloged under National Stock Number 4730-01-571-9625, 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 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-571-9625 |
| Item Name | Adapter,check Valve |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Material | IRON |
| 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 |
|---|---|
| 803-2177141-3XX-19 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-571-9625 is a Adapter,check Valve, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-571-9625: Overall Length: 1.562 INCHES NOMINAL IN; Special Features: FITS ON THE VALVE STEM AND THE HANDWHEEL SETS ON THIS. THIS IS PART OF A 3 INCH GLOBE STOP, STOP CHECK, LIFT CHECK, 900 ASME VALVE. IN; Part Name Assigned by Controlling Agency: ADAPTER; End Item Identification: NUCLEAR REACTOR BOUNDRY AREA. 1 specification is 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.