The Stem,fluid Valve, cataloged under National Stock Number 4820-01-286-8491, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Krobach Mfg. Corp. Dba Krobach Manufacturing Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Krobach Mfg. Corp. Dba Krobach Manufacturing Corp (CAGE 30828) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-286-8491 |
| Primary Part Number | 101A231AE |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Krobach Mfg. Corp. Dba Krobach Manufacturing Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 101A231AE PRIMARY | Krobach Mfg. Corp. Dba Krobach Manufacturing Corp (USA) |
| Reference | Meaning |
|---|---|
| 101A23/AE | 5/9 Secondary reference Krobach Mfg. Corp. Dba Krobach Manufacturing Corp |
| 101A231AE PIECE 1 | 5/9 Secondary reference General Electric Co Naval and Drive Turbine Systems Dept |
| 501E457AA PIECE 10 | 5/9 Secondary reference General Electric Co Naval and Drive Turbine Systems Dept |
| 101A231AEP1 | 5/9 Secondary reference General Electric Co Naval and Drive Turbine Systems Dept |
| 101A231AE-1 | C/1 Advisory reference — outside the item-of-supply concept General Electric Co Naval and Drive Turbine Systems Dept |
NSN 4820-01-286-8491 is a Stem,fluid Valve, manufactured by Krobach Mfg. Corp. Dba Krobach Manufacturing Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-286-8491 has 1 manufacturer part number on file: 101A231AE (Krobach Mfg. Corp. Dba Krobach Manufacturing Corp).
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.