The Valve,check, cataloged under National Stock Number 4820-01-337-4512, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-337-4512 |
| Primary Part Number | 141183 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Connection Style | FLARE (TUBE) ALL ENDS |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Type | THREADED INTERNAL TUBE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES ALL ENDS IN |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.562 INCHES ALL ENDS IN |
| Nominal Outside Diameter | 0.375 INCHES ALL ENDS IN |
| Thread Class | 2A ALL ENDS A |
| Material | STEEL OR COPPER ALLOY OR ALUMINUM BODY |
| Thread Series Designator | UNF ALL ENDS |
| Opening Pressure Setting | 3.0 POUNDS PER SQUARE INCH LBS |
| 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 |
|---|---|
| 141183 PRIMARY | Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA) |
| 7302-1 | Snap-Tite Inc Dba Snap Tite Solenoid Valve Div (USA) |
| Reference | Meaning |
|---|---|
| 141183 | 5/9 Secondary reference Hyster-Yale Group, Inc. |
| 404HTX6 | 5/9 Secondary reference Republic Mfg Co Inc |
NSN 4820-01-337-4512 is a Valve,check, manufactured by Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-337-4512 has 2 manufacturer part numbers on file: 141183 (Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling), 7302-1 (Snap-Tite Inc Dba Snap Tite Solenoid Valve Div).
Key specifications for 141183: Flow Control Device: DISK; Connection Style: FLARE (TUBE) ALL ENDS; Mounting Position: HORIZONTAL OR VERTICAL; Connection Type: THREADED INTERNAL TUBE ALL ENDS. 14 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.