The Valve,check, cataloged under National Stock Number 4820-01-366-0681, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Morris Material Handling, Inc.. Government technical data includes 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-366-0681 |
| Primary Part Number | 36Q249D1 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Morris Material Handling, Inc. |
| Status | ACTIVE |
| Flow Control Device | BALL |
| Connection Style | PLAIN (TUBE) FIRST END |
| Connection Style | HIGH PRESSURE FLARE (TUBE) SECOND END |
| Mounting Position | HORIZONTAL |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED INTERNAL TUBE SECOND END |
| Style Designator | STRAIGHT THRU |
| Nominal Outside Diameter Tube Accommodated | 0.562 INCHES SECOND END IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.562 INCHES SECOND END IN |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Seat Angle | 45.0 DEGREES SECOND END |
| Disk Loading Method | SPRING |
| Thread Class | 3A FIRST END A |
| Thread Class | 2B SECOND END |
| Material | STEEL BODY |
| Material | STEEL FLOW CONTROL DEVICE |
| Thread Series Designator | UNF 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 |
|---|---|
| 36Q249D1 | Morris Material Handling, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 10112-804-3 | 3/9 Design control — primary reference Vonberg Valve, Inc. |
| 36Q249-D0 | D/9 Drawing number reference only Morris Material Handling, Inc. |
NSN 4820-01-366-0681 is a Valve,check, manufactured by Morris Material Handling, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-366-0681 has 1 manufacturer part number on file: 36Q249D1 (Morris Material Handling, Inc.).
Key specifications for 36Q249D1: Flow Control Device: BALL; Connection Style: PLAIN (TUBE) FIRST END; Connection Style: HIGH PRESSURE FLARE (TUBE) SECOND END; Mounting Position: HORIZONTAL. 20 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.