The Valve,gate, cataloged under National Stock Number 4820-01-486-0999, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Kitz Corporation of America. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-486-0999 |
| Primary Part Number | 851-025948 2.50 IN |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Kitz Corporation of America |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HANDLE |
| Inlet Relationship with Outlet | IDENTICAL |
| Nominal Pipe Size Accommodated | 2.500 INCHES IN |
| Connection Type | BUTT WELD PIPE |
| Material Document and Classification | ASTM A216 GR WCB ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM A182 GR F6A ASSN STD SINGLE MATERIAL RESPONSE DISK |
| Material Document and Classification | ASTM A182 GR F6A ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | ASTM A705 + HF4 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Valve Size | 2.500 INCHES IN |
| Features Provided | BONNET PACKING |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Pressure Class | ERR-060 |
| Material | STEEL SEAT |
| Material | STEEL UNS J03002 BODY |
| Material | STEEL UNS J03002 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 |
|---|---|
| 851-025948 2.50 IN | Kitz Corporation of America (USA) |
| W150SCLS 2.50 | Kitz Corporation of America (USA) |
| Reference | Meaning |
|---|---|
| W150SCLS 2.50IN | C/1 Advisory reference — outside the item-of-supply concept Kitz Corporation of America |
| 851-025948 | D/9 Drawing number reference only Kitz Valve International Corporation |
| W150SCLS 2.50 | 3/9 Design control — primary reference Kitz Valve International Corporation |
| 851-025948 2.50 IN | 5/9 Secondary reference Kitz Valve International Corporation |
NSN 4820-01-486-0999 is a Valve,gate, manufactured by Kitz Corporation of America, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-486-0999 has 2 manufacturer part numbers on file: 851-025948 2.50 IN (Kitz Corporation of America), W150SCLS 2.50 (Kitz Corporation of America).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-486-1004. Verify interchangeability with system specifications before substitution.
Key specifications for 851-025948 2.50 IN: Furnished Items and Quantity: 1 HANDLE; Inlet Relationship with Outlet: IDENTICAL; Nominal Pipe Size Accommodated: 2.500 INCHES IN; Connection Type: BUTT WELD PIPE. 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.