The Valve,gate, cataloged under National Stock Number 4820-01-340-0413, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Evac North America Inc. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-340-0413 |
| Primary Part Number | 3500083-004 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Evac North America Inc |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Nominal Pipe Size Accommodated | 1.250 INCHES IN |
| Maximum Operating Temp and Media for Which Designed | 75.0 FAHRENHEIT WATER-OIL-GAS DEGF |
| Operating Pressure and Type | 200.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Stem Type | NONRISING |
| Connection Type | SOCKET, WELD, PIPE |
| Valve Size | 1.250 INCHES IN |
| Bonnet Type | INSIDE SCREW |
| Bonnet Attachment Method | UNION |
| Material | PLASTIC POLYVINYL CHLORIDE (PVC) BODY |
| Material | PLASTIC POLYVINYL CHLORIDE (PVC) SEAT |
| Material | PLASTIC POLYVINYL CHLORIDE (PVC) DISK |
| Material | PLASTIC POLYVINYL CHLORIDE (PVC) 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 |
|---|---|
| 3500083-004 | Evac North America Inc (USA) |
| Reference | Meaning |
|---|---|
| 2012-012 | 5/9 Secondary reference Spears Manufacturing Co. |
| 3500083-004 | 3/9 Design control — primary reference Envirovac Inc Dba Monogram Systems-Rockford Div |
NSN 4820-01-340-0413 is a Valve,gate, manufactured by Evac North America Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-340-0413 has 1 manufacturer part number on file: 3500083-004 (Evac North America Inc).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-601-2530. Verify interchangeability with system specifications before substitution.
Key specifications for 3500083-004: Inlet Relationship with Outlet: IDENTICAL; Nominal Pipe Size Accommodated: 1.250 INCHES IN; Maximum Operating Temp and Media for Which Designed: 75.0 FAHRENHEIT WATER-OIL-GAS DEGF; Operating Pressure and Type: 200.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS. 14 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.