The Valve,gate, cataloged under National Stock Number 4820-01-307-3807, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Floworks Usa Lp Dba Flotech Div Jacksonville. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-307-3807 |
| Primary Part Number | F63931-MG 4IN |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Floworks Usa Lp Dba Flotech Div Jacksonville |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Flange Face Design | RAISED |
| Stem Type | NONRISING |
| Connection Type | FLANGE, ROUND W/HOLES |
| Valve Size | 4.000 INCHES IN |
| Bonnet Type | INSIDE SCREW |
| Bolt Hole Quantity | 8 |
| Flange Diameter | 9.000 INCHES IN |
| Bonnet Attachment Method | BOLTED |
| Face to Face Distance | 9.000 INCHES IN |
| Material | NICKEL ALLOY STEM |
| Material | NICKEL ALLOY SEAT |
| Material | IRON CAST BODY |
| Material | NICKEL ALLOY DISK |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| F63931-MG 4IN PRIMARY | Floworks Usa Lp Dba Flotech Div Jacksonville (USA) |
NSN 4820-01-307-3807 is a Valve,gate, manufactured by Floworks Usa Lp Dba Flotech Div Jacksonville, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-307-3807 has 1 manufacturer part number on file: F63931-MG 4IN (Floworks Usa Lp Dba Flotech Div Jacksonville).
Key specifications for F63931-MG 4IN: Inlet Relationship with Outlet: IDENTICAL; Flange Face Design: RAISED; Stem Type: NONRISING; Connection Type: FLANGE, ROUND W/HOLES. 15 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.