The Stem,fluid Valve, cataloged under National Stock Number 4820-00-191-6842, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Striegel Supply, Inc. Dba Striegel Supply 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-00-191-6842 |
| Primary Part Number | 4123055 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Striegel Supply, Inc. Dba Striegel Supply Inc |
| Status | ACTIVE |
| Largest Outside Diameter | 0.436 INCHES NOMINAL IN |
| Material | 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 |
|---|---|
| 4123055 PRIMARY | Striegel Supply, Inc. Dba Striegel Supply Inc (USA) |
| 4L3055 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 4123055 | C/1 Advisory reference — outside the item-of-supply concept Schoonmaker Service Parts Co Inc |
NSN 4820-00-191-6842 is a Stem,fluid Valve, manufactured by Striegel Supply, Inc. Dba Striegel Supply Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-191-6842 has 2 manufacturer part numbers on file: 4123055 (Striegel Supply, Inc. Dba Striegel Supply Inc), 4L3055 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 4123055: Largest Outside Diameter: 0.436 INCHES NOMINAL IN; Overall Length: 4.500 INCHES NOMINAL IN; Material: COPPER 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.