The Valve,gate, cataloged under National Stock Number 4820-01-077-0252, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-077-0252 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| 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 A216 GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM A216 GRADE WCB/410 ASSN STD SINGLE MATERIAL RESPONSE DISK |
| Material Document and Classification | ASTM A276 TYPE 416 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Valve Size | 4.000 INCHES IN |
| Features Provided | BONNET PACKING |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Bolt Hole Quantity | 8 |
| Flange Diameter | 9.500 INCHES IN |
| Bonnet Attachment Method | BOLTED |
| Face to Face Distance | 9.000 INCHES IN |
| Pressure Class | ERR-060 |
| Material | STEEL UNS J03002 DISK |
| Material | STEEL COMP 416 STEM |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | STEEL UNS J03002 BODY |
| 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 |
|---|---|
| 1512U-63-997 4IN | 3/9 Design control — primary reference Lunkenheimer Co |
| FIG 1512 SZ 4 IN | 5/9 Secondary reference Lunkenheimer Co |
| 1512U-63-997 | 5/9 Secondary reference Lunkenheimer Co |
NSN 4820-01-077-0252 is a Valve,gate, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-077-0252: Inlet Relationship with Outlet: IDENTICAL; Flange Face Design: RAISED; Stem Type: RISING; Connection Type: FLANGE, ROUND W/HOLES. 20 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.