The Valve,gate, cataloged under National Stock Number 4820-01-468-1833, 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 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-468-1833 |
| Primary Part Number | LSD-8503-6.00IPS |
| 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 |
| Material Document and Classification | ASTM A216 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM A182 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | ASTM A216 ASSN STD SINGLE MATERIAL RESPONSE DISK |
| Material Document and Classification | ASTM A216 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| 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 |
| 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 |
|---|---|
| LSD-8503-6.00IPS PRIMARY | William E Williams Valve Corp (USA) |
| LSD 8503 6IN | William E Williams Valve Corp (USA) |
| Reference | Meaning |
|---|---|
| LSD 8503 | D/9 Drawing number reference only William E Williams Valve Corp |
NSN 4820-01-468-1833 is a Valve,gate, manufactured by William E Williams Valve Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-468-1833 has 2 manufacturer part numbers on file: LSD-8503-6.00IPS (William E Williams Valve Corp), LSD 8503 6IN (William E Williams Valve Corp).
Key specifications for LSD-8503-6.00IPS: Furnished Items and Quantity: 1 HANDWHEEL; Inlet Relationship with Outlet: IDENTICAL; Flange Face Design: RAISED; Stem Type: RISING. 20 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.