The Valve,stop-Check, cataloged under National Stock Number 4820-01-226-0168, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-226-0168 |
| Item Name | Valve,stop-Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Shape | ROUND ALL ENDS |
| Flange Face Design | RAISED WITH CURVE AND RADIUS ALL ENDS |
| Mounting Position | VERTICAL |
| Criticality Code Justification | ZZZY |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Nominal Outside Diameter | 6.000 INCHES ALL ENDS IN |
| Bonnet Attachment Method | BOLTED |
| Material | STEEL CORROSION RESISTING OVERALL |
| Raised Face Nominal Diameter | 3.625 INCHES ALL ENDS IN |
| Valve Operation Method | MANUAL |
| Raised Face Nominal Height | 0.062 INCHES ALL ENDS IN |
| Nominal Thickness | 0.625 INCHES ALL ENDS IN |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| D-67457 FIG. 2479SPCLN | 5/1 Secondary reference William Powell Company, the Dba Powell Valve Div the Starflo Corporation |
| D-67457 FIG. 2479 | 3/1 Design control — primary reference William Powell Company, the Dba Powell Valve Div the Starflo Corporation |
| 2.0IN-FLG67457DFLG316SS | 5/1 Secondary reference William Powell Company, the Dba Powell Valve Div the Starflo Corporation |
| 67457-D-316SS-2.0IN-FLG(SPCLN) | 5/1 Secondary reference William Powell Company, the Dba Powell Valve Div the Starflo Corporation |
NSN 4820-01-226-0168 is a Valve,stop-Check, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-226-0168: Flow Control Device: DISK; Flange Shape: ROUND ALL ENDS; Flange Face Design: RAISED WITH CURVE AND RADIUS ALL ENDS; Mounting Position: VERTICAL. 16 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.
NSN 4820-01-226-0168 has DEMIL Code F. Demilitarization may be required before disposal or transfer to non-military entities.
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.