The Body,valve, cataloged under National Stock Number 4820-01-486-5203, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Seyer Industries, Inc. Dba Seyer Industries Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-486-5203 |
| Primary Part Number | SI4394202-201 |
| Item Name | Body,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Seyer Industries, Inc. Dba Seyer Industries Inc |
| Status | ACTIVE |
| Valve Type for Which Designed | CHECK |
| Port Quantity | 2 |
| Valve Design Control Activity | 19494 |
| Material | STEEL |
| 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 |
|---|---|
| SI4394202-201 PRIMARY | Seyer Industries, Inc. Dba Seyer Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| SI4394205-201 | C/1 Advisory reference — outside the item-of-supply concept Seyer Industries, Inc. Dba Seyer Industries Inc |
NSN 4820-01-486-5203 is a Body,valve, manufactured by Seyer Industries, Inc. Dba Seyer Industries Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-486-5203 has 1 manufacturer part number on file: SI4394202-201 (Seyer Industries, Inc. Dba Seyer Industries Inc).
Key specifications for SI4394202-201: Valve Type for Which Designed: CHECK; Port Quantity: 2; Special Features: E/I:PUMP ASSEMBLY, AXLE JACK.; Valve Design Control Activity: 19494. 4 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.