The Valve,check, cataloged under National Stock Number 4820-01-418-6410, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is E-One, Inc. Dba E-One Hamburg. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-418-6410 |
| Primary Part Number | 601243 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | E-One, Inc. Dba E-One Hamburg |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Minimum Operating Temp | -20.0 FAHRENHEIT DEGF |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 400.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Disk Loading Method | SPRING |
| Material | STEEL COMP 304 BODY |
| 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 |
|---|---|
| 601243 PRIMARY | E-One, Inc. Dba E-One Hamburg (USA) |
| Reference | Meaning |
|---|---|
| 601243 | 7/2 Vendor item drawing reference Renk America Llc Div Renk America |
| 5103-304-V-5 | 5/9 Secondary reference Pcc Valves & Controls |
NSN 4820-01-418-6410 is a Valve,check, manufactured by E-One, Inc. Dba E-One Hamburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-418-6410 has 1 manufacturer part number on file: 601243 (E-One, Inc. Dba E-One Hamburg).
Key specifications for 601243: Flow Control Device: DISK; Mounting Position: HORIZONTAL OR VERTICAL; Minimum Operating Temp: -20.0 FAHRENHEIT DEGF; Style Designator: STRAIGHT THRU. 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.