The Stem,fluid Valve, cataloged under National Stock Number 4820-01-199-6653, 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 2 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-199-6653 |
| Primary Part Number | 20112730 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Warren Controls, Inc. |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Material | NICKEL ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 30811260-20 | Warren Controls, Inc. (USA) |
| 20112730 PRIMARY | Warren Controls, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 30811260 | D/9 Drawing number reference only Warren Controls, Inc. |
NSN 4820-01-199-6653 is a Stem,fluid Valve, manufactured by Warren Controls, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-199-6653 has 2 manufacturer part numbers on file: 30811260-20 (Warren Controls, Inc.), 20112730 (Warren Controls, Inc.).
Key specifications for 20112730: Criticality Code Justification: FEAT; Special Features: WEAPON SYSTEM ESSENTIAL. SPECIAL FEATURE SUPPLY WITH PISTON.; End Item Identification: WASP CLASS LHD, SPRUANCE CLASS DD (963), SUPPLY CLASS AOE, TARAWA CLASS LHA, FORRESTAL CLASS CV, TICONDEROGA CLASS CG (47), KIDD CLASS DDG, OLIVER PERRY CLASS FFG.; Material: NICKEL ALLOY. 2 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.