The Valve,check, cataloged under National Stock Number 4820-00-361-2389, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Saf Industries Llc Dba Saf Industries Llc Div Garkenyon. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-00-361-2389 |
| Primary Part Number | 4CV6819-1 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Saf Industries Llc Dba Saf Industries Llc Div Garkenyon |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Connection Type | THREADED INTERNAL TUBE ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES ALL ENDS IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.875 INCHES ALL ENDS IN |
| Maximum Operating Temp | 65.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Thread Class | 3A ALL ENDS A |
| Material | ALUMINUM ALLOY BODY |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 4CV6819-1 PRIMARY | Saf Industries Llc Dba Saf Industries Llc Div Garkenyon (USA) |
| Reference | Meaning |
|---|---|
| 694975-103 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-00-361-2389 is a Valve,check, manufactured by Saf Industries Llc Dba Saf Industries Llc Div Garkenyon, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-361-2389 has 1 manufacturer part number on file: 4CV6819-1 (Saf Industries Llc Dba Saf Industries Llc Div Garkenyon).
Key specifications for 4CV6819-1: Flow Control Device: DISK; Connection Type: THREADED INTERNAL TUBE ALL ENDS; Nominal Outside Diameter Tube Accommodated: 0.625 INCHES ALL ENDS IN; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 11 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.