The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-360-5998, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hy-Production Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Valve,calibrated Flow |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Hy-Production Inc (CAGE 3T120) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-360-5998 |
| Primary Part Number | A-1602 |
| Item Name | Valve,calibrated Flow |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hy-Production Inc |
| 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 |
|---|---|
| A-1602 | Hy-Production Inc (USA) |
| Reference | Meaning |
|---|---|
| 855017P0265 | 3/9 Design control — primary reference Atlas Copco |
| 2650429356 | 5/9 Secondary reference Epiroc Drilling Solutions Llc |
NSN 4820-01-360-5998 is a Valve,calibrated Flow, manufactured by Hy-Production Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-360-5998 has 1 manufacturer part number on file: A-1602 (Hy-Production Inc).
1 possible match (shared part number, not a government interchangeability claim): 4010-01-668-9306. 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.