The Valve,gate, cataloged under National Stock Number 4820-01-271-1889, 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 | 4820-01-271-1889 |
| Primary Part Number | LHD8410 MIL-15W3 4IN. 150PSI |
| 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 |
| Stem Type | RISING |
| Connection Type | BUTT WELD TUBE |
| 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 |
| Nominal Outside Diameter Tube Accommodated | 4.000 INCHES IN |
| Valve Size | 4.000 INCHES IN |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Bonnet Attachment Method | BOLTED |
| 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 |
|---|---|
| LHD8410 MIL-15W3 4IN. 150PSI PRIMARY | William E Williams Valve Corp (USA) |
| LHD8410 | William E Williams Valve Corp (USA) |
NSN 4820-01-271-1889 is a Valve,gate, manufactured by William E Williams Valve Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-271-1889 has 2 manufacturer part numbers on file: LHD8410 MIL-15W3 4IN. 150PSI (William E Williams Valve Corp), LHD8410 (William E Williams Valve Corp).
Key specifications for LHD8410 MIL-15W3 4IN. 150PSI: Furnished Items and Quantity: 1 HANDWHEEL; Inlet Relationship with Outlet: IDENTICAL; Stem Type: RISING; Connection Type: BUTT WELD TUBE. 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.