The Valve,gate, cataloged under National Stock Number 4820-01-439-6868, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-439-6868 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| 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 A108, GRADE 1018-1020 W/CR-CO-W FACING ASSN STD SINGLE MATERIAL RESPONSE SEAT W |
| Material Document and Classification | ASTM A216, GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM A216, GRADE WCB W/13CR FACING ASSN STD SINGLE MATERIAL RESPONSE DISK |
| Material Document and Classification | ASTM A582, TYPE 410 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Valve Size | 4.000 INCHES IN |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Bolt Hole Quantity | 8 |
| Flange Diameter | 10.750 INCHES IN |
| Bonnet Attachment Method | BOLTED |
| Face to Face Distance | 17.000 INCHES IN |
| Pressure Class | ERR-060 |
| Material | STEEL UNS J03002 DISK |
| Material | STEEL SEAT |
| Material | STEEL UNS J03002 BODY |
| 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 |
| Reference | Meaning |
|---|---|
| 6012-4IN | 3/9 Design control — primary reference Lunkenheimer Co |
| FIG 6012-4IN | C/1 Advisory reference — outside the item-of-supply concept Lunkenheimer Co |
NSN 4820-01-439-6868 is a Valve,gate, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-439-6868: Furnished Items and Quantity: 1 HANDWHEEL; Inlet Relationship with Outlet: IDENTICAL; Flange Face Design: RAISED; Stem Type: RISING. 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.