The Valve,stop-Check, cataloged under National Stock Number 4820-01-552-4709, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Johnson Controls Ltd, York Navy Systems. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-552-4709 |
| Primary Part Number | 268L67335-M00 |
| Item Name | Valve,stop-Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Johnson Controls Ltd, York Navy Systems |
| Status | ACTIVE |
| Flow Control Device | SLIDE |
| Minimum Operating Temp | -29.0 CELSIUS DEGC |
| Connection Type | THREADED INTERNAL GAS FITTING ALL ENDS |
| Operating Pressure | 31.0 BAR MAXIMUM SINGLE RESPONSE |
| Maximum Operating Temp | 149.0 CELSIUS SINGLE RESPONSE DEGC |
| Media for Which Designed | REFRIGERANT 22 SINGLE RESPONSE |
| Material | STEEL BODY |
| Material | STEEL STEM |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 268L67335-M00 | Johnson Controls Ltd, York Navy Systems (GBR) |
| 70093167 | Bae Systems Marine Limited (GBR) |
| Reference | Meaning |
|---|---|
| 8024-CE | 3/9 Design control — primary reference Henry Technologies, Inc. |
NSN 4820-01-552-4709 is a Valve,stop-Check, manufactured by Johnson Controls Ltd, York Navy Systems, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-552-4709 has 2 manufacturer part numbers on file: 268L67335-M00 (Johnson Controls Ltd, York Navy Systems), 70093167 (Bae Systems Marine Limited).
Key specifications for 268L67335-M00: Flow Control Device: SLIDE; Minimum Operating Temp: -29.0 CELSIUS DEGC; Connection Type: THREADED INTERNAL GAS FITTING ALL ENDS; Operating Pressure: 31.0 BAR MAXIMUM SINGLE RESPONSE. 9 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.