The Valve,gate, cataloged under National Stock Number 4820-01-338-1302, 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 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-338-1302 |
| Primary Part Number | LSD8505 4IN |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | William E Williams Valve Corp |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Flange Face Design | RAISED |
| Connection Type | FLANGE, ROUND W/HOLES |
| Valve Size | 4.000 INCHES IN |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Material | STEEL BODY |
| 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 |
|---|---|
| LSD8505 4IN PRIMARY | William E Williams Valve Corp (USA) |
| 15F-8 4IN LSD8505 | William E Williams Valve Corp (USA) |
| Reference | Meaning |
|---|---|
| LSD8505-5 4IN | C/1 Advisory reference — outside the item-of-supply concept William E Williams Valve Corp |
| LSD8505 | D/9 Drawing number reference only William E Williams Valve Corp |
NSN 4820-01-338-1302 is a Valve,gate, manufactured by William E Williams Valve Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-338-1302 has 2 manufacturer part numbers on file: LSD8505 4IN (William E Williams Valve Corp), 15F-8 4IN LSD8505 (William E Williams Valve Corp).
Key specifications for LSD8505 4IN: Inlet Relationship with Outlet: IDENTICAL; Flange Face Design: RAISED; Connection Type: FLANGE, ROUND W/HOLES; Valve Size: 4.000 INCHES IN. 7 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.