The Bellows Assy, cataloged under National Stock Number 4820-00-646-6787, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 4820-00-646-6787 |
| Primary Part Number | 2300-589PC46 |
| Item Name | Bellows Assy |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| 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 |
|---|---|
| 2300-589PC46 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 7874-256PC4 | 5/2 Secondary reference U.S. Government activity |
| 9874-257X4PC10 | 5/2 Secondary reference U.S. Government activity |
| 585-207-1887026REVAPC4-7-10 | 5/2 Secondary reference U.S. Government activity |
| 598-207-1893298PC10 | 5/2 Secondary reference U.S. Government activity |
| 8574-266REVAPC4-7-10 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-00-646-6787 is a Bellows Assy, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-646-6787 has 1 manufacturer part number on file: 2300-589PC46 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 2300-589PC46: End Item Identification: MECHANISM OVPRESS IRP MN STM. 0 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.