The Seat,valve, cataloged under National Stock Number 4820-01-203-0155, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-203-0155 |
| Primary Part Number | 15026-20 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division |
| Status | ACTIVE |
| 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 |
|---|---|
| 15026-20 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| 2CD956 | Oshkosh Defense Llc (USA) |
| 15026-20 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
| 15026-20 | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2CD956 | 5/9 Secondary reference Oshkosh Corp |
NSN 4820-01-203-0155 is a Seat,valve, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-203-0155 has 4 manufacturer part numbers on file: 15026-20 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 2CD956 (Oshkosh Defense Llc), 15026-20 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division), 15026-20 (Amz Alabama Inc.).
Key specifications for 15026-20: Special Features: PRINT IS APPLICABLE TO THE CRANE CONTROL VALVE ASSEMBLY; MODEL M977 AND M985; CHEMTT VEHICLE ONLY. 0 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.