The Disk,valve, cataloged under National Stock Number 4820-01-276-1228, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Bath Iron Works Corporation. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Disk,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Bath Iron Works Corporation (CAGE 70876) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-276-1228 |
| Primary Part Number | S-4354 PIECE 15 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Bath Iron Works Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| S-4354 PIECE 15 PRIMARY | Bath Iron Works Corporation (USA) |
| Reference | Meaning |
|---|---|
| S-4354 | D/9 Drawing number reference only Bath Iron Works Corporation |
NSN 4820-01-276-1228 is a Disk,valve, manufactured by Bath Iron Works Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-276-1228 has 1 manufacturer part number on file: S-4354 PIECE 15 (Bath Iron Works Corporation).
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.