The Helm Assembly, cataloged under National Stock Number 4820-01-353-1087, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hynautic Inc Div of Sta-Rite Industries Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Helm Assembly |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Hynautic Inc Div of Sta-Rite Industries Inc (CAGE 62876); Rtk Marine (div of Halmatic Ltd) (CAGE U0355) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-353-1087 |
| Primary Part Number | H60-001 |
| Item Name | Helm Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hynautic Inc Div of Sta-Rite Industries Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
NSN 4820-01-353-1087 is a Helm Assembly, manufactured by Hynautic Inc Div of Sta-Rite Industries Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-353-1087 has 2 manufacturer part numbers on file: H60-001 (Hynautic Inc Div of Sta-Rite Industries Inc), 140063 (Rtk Marine (div of Halmatic Ltd)).
1 possible match (shared part number, not a government interchangeability claim): 5910-01-411-9689. Verify interchangeability with system specifications before substitution.
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.