The Valve,flow Control, cataloged under National Stock Number 4820-01-459-4175, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-459-4175 |
| Item Name | Valve,flow Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| End Connection Quantity | 1 |
| Valve Size | 2.000 INCHES IN |
| Body Material | COPPER ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 803-4384536-81A AF | 3/2 Design control — primary reference U.S. Government activity |
| 803-4384536-81A2 | 5/9 Secondary reference U.S. Government activity |
| 803-4384536-81AXAF | 5/9 Secondary reference U.S. Government activity |
| 803-4384536 | D/9 Drawing number reference only U.S. Government activity |
NSN 4820-01-459-4175 is a Valve,flow Control, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-459-4175: End Connection Quantity: 1; Valve Size: 2.000 INCHES IN; Body Material: COPPER ALLOY; Special Features: IN-LINE STOP;METALLIC DISK SEATING SURFACE;BONNET O-RING MATERIAL ETHYLENE PROPYLENE RUBBER;INCLUDES CLEVIS, SET SCREW,ROUND HEAD SCREWW,LOCKWASHER, PIN, SPRING FLAT, LATCH AND DIAL. 3 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.