The Valve,gate, cataloged under National Stock Number 4820-01-284-2167, 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 19 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 | 4820-01-284-2167 |
| Primary Part Number | S15F3,316L 2-1/2IN,LHD8656 |
| 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 |
| Stem Type | RISING |
| Connection Type | FLANGE, ROUND W/HOLES |
| Material Document and Classification | ASTM A182 GR. F6 ASSN STD SINGLE MATERIAL RESPONSE DISK |
| Material Document and Classification | ASTM A216 GR.WCB ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM A182 GR. F6 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | ASTM A182 GR.F6 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Valve Size | 2.500 INCHES IN |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Bolt Hole Quantity | 4 |
| Flange Diameter | 7.000 INCHES IN |
| Bonnet Attachment Method | BOLTED |
| Face to Face Distance | 10.875 INCHES IN |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | STEEL UNS J03002 BODY |
| Material | STEEL CORROSION RESISTING STEM |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| LHD8656 2-1/2IN S15F3,316L | William E Williams Valve Corp (USA) |
| S15F3,316L 2-1/2IN,LHD8656 PRIMARY | William E Williams Valve Corp (USA) |
NSN 4820-01-284-2167 is a Valve,gate, manufactured by William E Williams Valve Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-284-2167 has 2 manufacturer part numbers on file: LHD8656 2-1/2IN S15F3,316L (William E Williams Valve Corp), S15F3,316L 2-1/2IN,LHD8656 (William E Williams Valve Corp).
Key specifications for S15F3,316L 2-1/2IN,LHD8656: Inlet Relationship with Outlet: IDENTICAL; Flange Face Design: RAISED; Stem Type: RISING; Connection Type: FLANGE, ROUND W/HOLES. 19 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.