The Flow Control Assemb, cataloged under National Stock Number 4820-01-174-4199, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Derbyshire Machine & Tool Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 4820-01-174-4199 |
| Primary Part Number | X5583MOD |
| Item Name | Flow Control Assemb |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Derbyshire Machine & Tool Co |
| 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 |
|---|---|
| X5583MOD | Derbyshire Machine & Tool Co (USA) |
| Reference | Meaning |
|---|---|
| 803-4384536-1XXX-59 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-174-4199 is a Flow Control Assemb, manufactured by Derbyshire Machine & Tool Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-174-4199 has 1 manufacturer part number on file: X5583MOD (Derbyshire Machine & Tool Co).
Key specifications for X5583MOD: End Item Identification: VALVE NDL GLB .25IPS 400PSI. 0 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.