The Valve,check, cataloged under National Stock Number 4820-00-486-1876, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mobile Drilling Company Inc Dba Foremost-Mobile. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-00-486-1876 |
| Primary Part Number | ED8862 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Mobile Drilling Company Inc Dba Foremost-Mobile |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Type | UNTHREADED EXTERNAL HOSE SECOND END |
| Connection Type | UNTHREADED EXTERNAL HOSE FIRST END |
| Style Designator | STRAIGHT THRU |
| Disk Loading Method | SPRING |
| Material | ALUMINUM ALLOY SEAT |
| Material | ALUMINUM ALLOY 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 |
|---|---|
| ED8862 | Mobile Drilling Company Inc Dba Foremost-Mobile (USA) |
| Reference | Meaning |
|---|---|
| 557-2A | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems |
| 557-2A | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-00-486-1876 is a Valve,check, manufactured by Mobile Drilling Company Inc Dba Foremost-Mobile, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-486-1876 has 1 manufacturer part number on file: ED8862 (Mobile Drilling Company Inc Dba Foremost-Mobile).
Key specifications for ED8862: Flow Control Device: DISK; Mounting Position: HORIZONTAL OR VERTICAL; Connection Type: UNTHREADED EXTERNAL HOSE SECOND END; Connection Type: UNTHREADED EXTERNAL HOSE FIRST END. 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.