The Stem,fluid Valve, cataloged under National Stock Number 4820-01-123-5741, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Apco/valve & Primer Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-123-5741 |
| Primary Part Number | 104-11-2A/55 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Apco/valve & Primer Corp |
| Status | ACTIVE |
| Valve Model Number for Which Designed | 100 |
| 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 |
|---|---|
| 104-11-2A/55 | Baker and Associates Technologies, Llc Dba Bat (USA) |
| 104-11-2A/55 PRIMARY | Apco/valve & Primer Corp (USA) |
| Reference | Meaning |
|---|---|
| 104-11-2A | 5/9 Secondary reference Apco/valve & Primer Corp |
| 104-11-2A/55 | 3/9 Design control — primary reference Dezurik Co a Unit of General Signal Corp |
NSN 4820-01-123-5741 is a Stem,fluid Valve, manufactured by Apco/valve & Primer Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-123-5741 has 2 manufacturer part numbers on file: 104-11-2A/55 (Baker and Associates Technologies, Llc Dba Bat), 104-11-2A/55 (Apco/valve & Primer Corp).
Key specifications for 104-11-2A/55: Valve Model Number for Which Designed: 100; End Item Identification: APCO SERIES 100; 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.