The Parts Kit,safety Relief Valve, cataloged under National Stock Number 4820-01-247-3226, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Centofanti Marine Service 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-247-3226 |
| Primary Part Number | 05420-0195 |
| Item Name | Parts Kit,safety Relief Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Centofanti Marine Service Inc |
| Status | ACTIVE |
| Component Quantity | 3 |
| Supply Items and Quantities | SPRING 1; SEAT 2 |
| 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 |
|---|---|
| 05420-0195 PRIMARY | Centofanti Marine Service Inc (USA) |
| B442-020 ITEM 1 | Centofanti Marine Service Inc (USA) |
| Reference | Meaning |
|---|---|
| B442-020 ITEM 1 | 5/9 Secondary reference U.S. Government activity |
| 05420-0195 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-247-3226 is a Parts Kit,safety Relief Valve, manufactured by Centofanti Marine Service Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-247-3226 has 2 manufacturer part numbers on file: 05420-0195 (Centofanti Marine Service Inc), B442-020 ITEM 1 (Centofanti Marine Service Inc).
Key specifications for 05420-0195: Component Quantity: 3; Supply Items and Quantities: SPRING 1; SEAT 2. 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.