The Valve,gate, cataloged under National Stock Number 4820-01-206-3520, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Oshkosh Defense 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-206-3520 |
| Primary Part Number | 1420870 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Maximum Operating Temp and Media for Which Designed | 200.0 FAHRENHEIT WATER DEGF |
| Operating Pressure and Type | 200.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Stem Type | NONRISING |
| Connection Type | THREADED INTERNAL PIPE |
| Material Document and Classification | ASTM B-145-5A, ALLOY 844 ASSN STD SINGLE MATERIAL RESPONSE BODY A |
| Material Document and Classification | ASTM B-145-5A, ALLOY 844 ASSN STD SINGLE MATERIAL RESPONSE DISK A |
| Material Document and Classification | ASTM B-99, ALLOY C65100-H04 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Valve Size | 2.000 INCHES IN |
| Bonnet Type | INSIDE SCREW |
| Nominal Thread Size | 2.000 INCHES IN |
| Bonnet Attachment Method | THREADED |
| Pressure Class | ERR-060 |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY STEM |
| Material | COPPER ALLOY DISK |
| Material | COPPER ALLOY SEAT |
| Thread Series Designator | NPT |
| 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 |
|---|---|
| 1420870 | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| T-29-2.00 | 3/9 Design control — primary reference Nibco Inc |
| 1420870 | 7/9 Vendor item drawing reference Oshkosh Corp |
NSN 4820-01-206-3520 is a Valve,gate, manufactured by Oshkosh Defense Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-206-3520 has 1 manufacturer part number on file: 1420870 (Oshkosh Defense Llc).
Key specifications for 1420870: Inlet Relationship with Outlet: IDENTICAL; Maximum Operating Temp and Media for Which Designed: 200.0 FAHRENHEIT WATER DEGF; Operating Pressure and Type: 200.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS; Stem Type: NONRISING. 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.