The Valve,gate, cataloged under National Stock Number 4820-01-528-3139, 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 25 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-528-3139 |
| Primary Part Number | S15F6316MIL 4IN/LHD0304 |
| 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 | PLAIN |
| Stem Type | NONRISING |
| Connection Type | FLANGE, ROUND W/HOLES |
| Material Document and Classification | ASTM A351-CF8M ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM A182-F316 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | ASTM A276-316 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | ASTM A351-CF8M ASSN STD SINGLE MATERIAL RESPONSE DISK |
| Valve Size | 4.000 INCHES IN |
| Features Provided | BONNET PACKING |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Specification/standard Data | 81349 - MIL-V-18110 GOVERNMENT SPECIFICATION |
| Departure From Cited Document | MODIFIED BY DIMENSIONS OF FLANGES, NOT IAW ANSI B16.34 |
| Nondefinitive Spec/std Data | E COMPOSITION |
| Bolt Hole Quantity | 8 |
| Flange Diameter | 9.000 INCHES IN |
| Bonnet Attachment Method | BOLTED |
| Face to Face Distance | 9.000 INCHES IN |
| Pressure Class | ERR-060 |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| LHD0304 4IN | William E Williams Valve Corp (USA) |
| S15F6316MIL 4IN/LHD0304 PRIMARY | William E Williams Valve Corp (USA) |
| Reference | Meaning |
|---|---|
| MIL-V-18110 | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-18110 | 4/1 Identification reference U.S. Government activity |
NSN 4820-01-528-3139 is a Valve,gate, manufactured by William E Williams Valve Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-528-3139 has 2 manufacturer part numbers on file: LHD0304 4IN (William E Williams Valve Corp), S15F6316MIL 4IN/LHD0304 (William E Williams Valve Corp).
Key specifications for S15F6316MIL 4IN/LHD0304: Furnished Items and Quantity: 1 HANDWHEEL; Overall Height: 22.000 INCHES NOMINAL IN; Inlet Relationship with Outlet: IDENTICAL; Flange Face Design: PLAIN. 25 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.