The Valve,check, cataloged under National Stock Number 4820-01-285-6152, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Daimler Truck North America Llc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-285-6152 |
| Primary Part Number | 419 553 7807 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Daimler Truck North America Llc |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 1.062 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Thread Class | 2A ALL ENDS A |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Thread Series Designator | UN 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 |
|---|---|
| 419 553 7807 PRIMARY | Daimler Truck North America Llc (USA) |
| 419 553 7807 | Mercedes-Benz Ag (DEU) |
| 982932 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division (USA) |
| Reference | Meaning |
|---|---|
| 419 553 7807 | 5/9 Secondary reference Daimler Ag |
| 419 553 78 07 | 5/9 Secondary reference Warner and Swasey Co Lima Plant Div Sub of Cross and Trecker Corp |
NSN 4820-01-285-6152 is a Valve,check, manufactured by Daimler Truck North America Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-285-6152 has 3 manufacturer part numbers on file: 419 553 7807 (Daimler Truck North America Llc), 419 553 7807 (Mercedes-Benz Ag), 982932 (Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division).
Key specifications for 419 553 7807: Flow Control Device: POPPET; Connection Style: FLARED (TUBE) ALL ENDS; Mounting Position: HORIZONTAL OR VERTICAL; Connection Type: THREADED EXTERNAL TUBE ALL ENDS. 12 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.