The Valve,gate, cataloged under National Stock Number 4820-01-424-0426, 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 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-424-0426 |
| Primary Part Number | 1305-029 3IN |
| 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 |
| Inlet Relationship with Outlet | IDENTICAL |
| Flange Face Design | PLAIN |
| Stem Type | RISING |
| Connection Type | FLANGE, ROUND W/HOLES |
| Valve Size | 3.000 INCHES IN |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Bolt Hole Quantity | 8 |
| Flange Diameter | 6.625 INCHES IN |
| Bonnet Attachment Method | BOLTED |
| Face to Face Distance | 6.250 INCHES IN |
| Pressure Class | ERR-060 |
| Material | NICKEL ALLOY SEAT |
| Material | NICKEL ALLOY DISK |
| Material | COPPER ALLOY 922 BODY |
| Material | NICKEL ALLOY R-405 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 |
|---|---|
| 1305-029 3IN PRIMARY | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 1305-029 | D/9 Drawing number reference only Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| 1305-029C 3IN | 5/9 Secondary reference Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
NSN 4820-01-424-0426 is a Valve,gate, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-424-0426 has 1 manufacturer part number on file: 1305-029 3IN (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-424-0427. Verify interchangeability with system specifications before substitution.
Key specifications for 1305-029 3IN: Furnished Items and Quantity: 1 HANDWHEEL; Inlet Relationship with Outlet: IDENTICAL; Flange Face Design: PLAIN; Stem Type: RISING. 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.