The Valve,flow Control, cataloged under National Stock Number 4820-01-646-5133, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hydraulics International, Inc. Dba Hydraulics International 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,flow Control |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Hydraulics International, Inc. Dba Hydraulics International Inc (CAGE 56529) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-646-5133 |
| Primary Part Number | 31524-100 |
| Item Name | Valve,flow Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hydraulics International, Inc. Dba Hydraulics International Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 31524-100 PRIMARY | Hydraulics International, Inc. Dba Hydraulics International Inc (USA) |
| Reference | Meaning |
|---|---|
| 000993-847-1 | 7/2 Vendor item drawing reference U.S. Government activity |
| 000993-847 REV. C | D/9 Drawing number reference only U.S. Government activity |
NSN 4820-01-646-5133 is a Valve,flow Control, manufactured by Hydraulics International, Inc. Dba Hydraulics International Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-646-5133 has 1 manufacturer part number on file: 31524-100 (Hydraulics International, Inc. Dba Hydraulics International Inc).
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.