The Base Manifold,valve, cataloged under National Stock Number 4820-01-204-5619, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Industrial Service and Supply, Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-204-5619 |
| Primary Part Number | 258261A1 |
| Item Name | Base Manifold,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Industrial Service and Supply, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM BASE MANIFOLD 1,W/2 PLUGS AND 1 INSERT VALVE SEAT W |
| 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 |
|---|---|
| 258261A1 PRIMARY | Industrial Service and Supply, Inc (USA) |
| 5326603-1 | Industrial Service and Supply, Inc (USA) |
| Reference | Meaning |
|---|---|
| 258261A1 | 5/9 Secondary reference Elsag Bailey Inc |
| 5326603-1 | 5/9 Secondary reference Elsag Bailey Inc |
| 5326603M1 | 5/9 Secondary reference Elsag Bailey Inc |
NSN 4820-01-204-5619 is a Base Manifold,valve, manufactured by Industrial Service and Supply, Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-204-5619 has 2 manufacturer part numbers on file: 258261A1 (Industrial Service and Supply, Inc), 5326603-1 (Industrial Service and Supply, Inc).
Key specifications for 258261A1: General Characteristics Item Description: ALUMINUM BASE MANIFOLD 1,W/2 PLUGS AND 1 INSERT VALVE SEAT W. 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.