The Valve,gate, cataloged under National Stock Number 4820-01-481-6051, 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 19 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-481-6051 |
| Primary Part Number | 1146-068U 34 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HANDWHEEL AND 2 TAILPIECE AND 2 NUT |
| Inlet Relationship with Outlet | IDENTICAL |
| Nominal Pipe Size Accommodated | 0.750 MILLIMETERS MM |
| Maximum Operating Temp and Media for Which Designed | 150.0 FAHRENHEIT WATER-OIL-GAS DEGF |
| Operating Pressure and Type | 400.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Stem Type | NONRISING |
| Connection Type | SOCKET, WELD, PIPE |
| Material Document and Classification | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM B164 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | ASTM B164 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-N-296 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | ASTM B164 ASSN STD SINGLE MATERIAL RESPONSE DISK |
| Valve Size | 0.750 MILLIMETERS MM |
| Bonnet Type | PACKING RETAINING |
| Bonnet Attachment Method | THREADED |
| Material | NICKEL ALLOY STEM |
| Material | NICKEL ALLOY SEAT |
| Material | NICKEL ALLOY DISK |
| Material | COPPER ALLOY 922 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 |
| Part Number | Manufacturer |
|---|---|
| 1146-068U 34 PRIMARY | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 1146-068-E-0001 | 5/9 Secondary reference Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| 1385714 | D/9 Drawing number reference only U.S. Government activity |
| 1385714-4 (MOD) | 5/1 Secondary reference U.S. Government activity |
| 1146-068 0.75IPS | 5/9 Secondary reference Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
NSN 4820-01-481-6051 is a Valve,gate, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-481-6051 has 1 manufacturer part number on file: 1146-068U 34 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-481-6106. Verify interchangeability with system specifications before substitution.
Key specifications for 1146-068U 34: Furnished Items and Quantity: 1 HANDWHEEL AND 2 TAILPIECE AND 2 NUT; Inlet Relationship with Outlet: IDENTICAL; Nominal Pipe Size Accommodated: 0.750 MILLIMETERS MM; Maximum Operating Temp and Media for Which Designed: 150.0 FAHRENHEIT WATER-OIL-GAS DEGF. 19 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.