The Plunger,valve, cataloged under National Stock Number 4820-01-090-4963, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-090-4963 |
| Primary Part Number | BMC3479C PART 16 |
| Item Name | Plunger,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746 |
| Status | ACTIVE |
| General Characteristics Item Description | BRONZE ASTM-B144 ALLOY 3B |
| 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 |
|---|---|
| BMC3479C PART 16 PRIMARY | Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746 (USA) |
| BMC3479A PART 16 | Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746 (USA) |
| Reference | Meaning |
|---|---|
| 3479A PIECE 10 | 5/9 Secondary reference Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746 |
| BMC 3479C PIECE | C/1 Advisory reference — outside the item-of-supply concept Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746 |
NSN 4820-01-090-4963 is a Plunger,valve, manufactured by Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-090-4963 has 2 manufacturer part numbers on file: BMC3479C PART 16 (Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746), BMC3479A PART 16 (Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746).
Key specifications for BMC3479C PART 16: General Characteristics Item Description: BRONZE ASTM-B144 ALLOY 3B. 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.