The Valve,gate, cataloged under National Stock Number 4820-01-145-6670, 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 21 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-145-6670 |
| Primary Part Number | CG810310 3IN |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | William E Williams Valve Corp |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICALIDENTICAL |
| Flange Face Design | PLAINPLAIN |
| Stem Type | RISINGRISING |
| Connection Type | FLANGE, ROUND W/HOLESFLANGE, ROUND W/HOLES |
| Material Document and Classification | ASTM A182 GRADE F6 ASSN STD SINGLE MATERIAL RESPONSE SEATASTM A182 GRADE F6 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | ASTM A182 GRADE F6 ASSN STD SINGLE MATERIAL RESPONSE STEMASTM A182 GRADE F6 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | ASTM A217 GRADE CA15 ASSN STD SINGLE MATERIAL RESPONSE DISKASTM A217 GRADE CA15 ASSN STD SINGLE MATERIAL RESPONSE DISK |
| Material Document and Classification | ASTM A351 GRADE CF3M ASSN STD SINGLE MATERIAL RESPONSE BODYASTM A351 GRADE CF3M ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Valve Size | 3.000 INCHES3.000 INCHES IN |
| Features Provided | BONNET PACKINGBONNET PACKING |
| Bonnet Type | OUTSIDE SCREW-YOKEOUTSIDE SCREW-YOKE |
| Bolt Hole Quantity | 44 |
| Flange Diameter | 7.500 INCHES7.500 INCHES IN |
| Bonnet Attachment Method | BOLTEDBOLTED |
| Face to Face Distance | 8.000 INCHES8.000 INCHES IN |
| Pressure Class | ERR-060 |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | STEEL CORROSION RESISTING STEM |
| Material | STEEL UNS J92800 BODY |
| Material | STEEL UNS J91150 DISK |
| Valve Operation Method | MANUALMANUAL |
| 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 |
|---|---|
| CG810310 3IN PRIMARY | William E Williams Valve Corp (USA) |
| Reference | Meaning |
|---|---|
| CG810310 | D/9 Drawing number reference only William E Williams Valve Corp |
NSN 4820-01-145-6670 is a Valve,gate, manufactured by William E Williams Valve Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-145-6670 has 1 manufacturer part number on file: CG810310 3IN (William E Williams Valve Corp).
Key specifications for CG810310 3IN: Inlet Relationship with Outlet: IDENTICALIDENTICAL; Flange Face Design: PLAINPLAIN; Stem Type: RISINGRISING; Connection Type: FLANGE, ROUND W/HOLESFLANGE, ROUND W/HOLES. 21 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.