The Seat,valve, cataloged under National Stock Number 4820-00-832-5585, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Steris Corporation Dba Steris Applied Sterilization Technololgies. Government technical data includes 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-832-5585 |
| Primary Part Number | 20720-091 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Steris Corporation Dba Steris Applied Sterilization Technololgies |
| Status | ACTIVE |
| Style Designator | PLAIN |
| Material | CARBON GRAPHITE OVERALL |
| Seating Surface Shape | FLAT |
| 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 |
|---|---|
| 20720-091 PRIMARY | Steris Corporation Dba Steris Applied Sterilization Technololgies (USA) |
| Reference | Meaning |
|---|---|
| 20720-091 | 3/9 Design control — primary reference American Sterilizer Company Dba Amsco Sterility Assurance Products |
| FX8-52 | 5/9 Secondary reference Federal Equipment and Manufacturing Co., Inc. Div Federal Equipment & Manufacturing Co., Inc. |
| PS8-52 | 5/9 Secondary reference Federal Equipment and Manufacturing Co., Inc. Div Federal Equipment & Manufacturing Co., Inc. |
NSN 4820-00-832-5585 is a Seat,valve, manufactured by Steris Corporation Dba Steris Applied Sterilization Technololgies, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-832-5585 has 1 manufacturer part number on file: 20720-091 (Steris Corporation Dba Steris Applied Sterilization Technololgies).
Key specifications for 20720-091: Style Designator: PLAIN; Material: CARBON GRAPHITE OVERALL; Seating Surface Shape: FLAT. 3 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.