The Piston and Stem Assembly, cataloged under National Stock Number 4820-01-207-2300, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Warren Controls, Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-207-2300 |
| Primary Part Number | 20106732 |
| Item Name | Piston and Stem Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Warren Controls, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | NICKEL COPPER ALLOY |
| 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 |
|---|---|
| 20106732 PRIMARY | Warren Controls, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 30805262 PIECE | C/1 Advisory reference — outside the item-of-supply concept Warren Controls, Inc. |
| 20166732 | C/1 Advisory reference — outside the item-of-supply concept Warren Controls, Inc. |
| 30803020 ITEM 14 | C/1 Advisory reference — outside the item-of-supply concept Warren Controls, Inc. |
NSN 4820-01-207-2300 is a Piston and Stem Assembly, manufactured by Warren Controls, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-207-2300 has 1 manufacturer part number on file: 20106732 (Warren Controls, Inc.).
Key specifications for 20106732: General Characteristics Item Description: NICKEL COPPER ALLOY. 1 specification is 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.