The Valve,gate, cataloged under National Stock Number 4820-01-439-5437, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is William E Williams Valve Corp. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-439-5437 |
| Primary Part Number | MIL-15F3 6IN |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | William E Williams Valve Corp |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HANDWHEEL |
| Inlet Relationship with Outlet | IDENTICAL |
| Flange Face Design | RAISED |
| Stem Type | RISING |
| Connection Type | FLANGE, ROUND W/HOLES |
| Valve Size | 6.000 INCHES IN |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Bolt Hole Quantity | 8 |
| Flange Diameter | 11.000 INCHES IN |
| Bonnet Attachment Method | BOLTED |
| Face to Face Distance | 10.500 INCHES IN |
| Pressure Class | ERR-060 |
| Material | STEEL BODY |
| Material | STEEL DISK |
| Material | STEEL SEAT |
| Material | STEEL STEM |
| 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 |
|---|---|
| MIL-15F3 6IN PRIMARY | William E Williams Valve Corp (USA) |
| LHD8402 ASSY MIL-15F3 6IN | William E Williams Valve Corp (USA) |
NSN 4820-01-439-5437 is a Valve,gate, manufactured by William E Williams Valve Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-439-5437 has 2 manufacturer part numbers on file: MIL-15F3 6IN (William E Williams Valve Corp), LHD8402 ASSY MIL-15F3 6IN (William E Williams Valve Corp).
Key specifications for MIL-15F3 6IN: Furnished Items and Quantity: 1 HANDWHEEL; Inlet Relationship with Outlet: IDENTICAL; Flange Face Design: RAISED; Stem Type: RISING. 17 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.