The Valve,gate, cataloged under National Stock Number 4820-01-454-9950, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-454-9950 |
| Primary Part Number | 1146-025S 112 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Nominal Pipe Size Accommodated | 1.500 INCHES IN |
| Connection Type | BRAZING, PIPE |
| Material Document and Classification | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM B-164 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Valve Size | 1.500 INCHES IN |
| Material | COPPER ALLOY BODY |
| Material | NICKEL ALLOY 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 |
| Part Number | Manufacturer |
|---|---|
| 1146-025 1 1/2 | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 1146-025S 112 PRIMARY | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 1146-025-H-0006 | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 1146-025S 1 1/2 | C/1 Advisory reference — outside the item-of-supply concept Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| 1146-025S 1 1/2 IN | 5/9 Secondary reference Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
NSN 4820-01-454-9950 is a Valve,gate, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-454-9950 has 3 manufacturer part numbers on file: 1146-025 1 1/2 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 1146-025S 112 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 1146-025-H-0006 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).
Key specifications for 1146-025S 112: Inlet Relationship with Outlet: IDENTICAL; Nominal Pipe Size Accommodated: 1.500 INCHES IN; Connection Type: BRAZING, PIPE; Material Document and Classification: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY. 9 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.