The Valve,pressure Equalizing,gaseou, cataloged under National Stock Number 4820-01-368-1183, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is L3 Technologies, Inc. Dba Telementry & Rf Products Div L3 Technologies, Telemetry & Rf Products. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-368-1183 |
| Primary Part Number | 119-1020-001 |
| Item Name | Valve,pressure Equalizing,gaseou |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | L3 Technologies, Inc. Dba Telementry & Rf Products Div L3 Technologies, Telemetry & Rf Products |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| First End Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) |
| First End Thread Direction | RIGHT-HAND |
| Body Style | SINGLE CONNECTION, STRAIGHT FLOW |
| First End Thread Class | 2A A |
| First End Style Designator | EXTERNAL SEAT FOR GASKET SEAL |
| Material Document and Classification | QQ-A-225/3, ALLOY 2011, T3 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| End Connection Quantity | 1 |
| Specification/standard Data | 81349-MIL-V-55341/EL GOVERNMENT SPECIFICATION |
| Valve Venting Design Type | CLOSED SYSTEM |
| First End Connection Type | THREADED EXTERNAL BOSS |
| Material | ALUMINUM ALLOY 2011 BODY |
| First End Nominal Thread Size | 0.562 INCHES IN |
| 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 |
|---|---|
| 119-1020-001 PRIMARY | L3 Technologies, Inc. Dba Telementry & Rf Products Div L3 Technologies, Telemetry & Rf Products (USA) |
| Reference | Meaning |
|---|---|
| 119-1020-001 | 5/9 Secondary reference Loral Terracom Div of Loral Corp |
| MIL-V-55341/EL | 4/1 Identification reference U.S. Government activity |
NSN 4820-01-368-1183 is a Valve,pressure Equalizing,gaseou, manufactured by L3 Technologies, Inc. Dba Telementry & Rf Products Div L3 Technologies, Telemetry & Rf Products, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-368-1183 has 1 manufacturer part number on file: 119-1020-001 (L3 Technologies, Inc. Dba Telementry & Rf Products Div L3 Technologies, Telemetry & Rf Products).
Key specifications for 119-1020-001: Flow Control Device: POPPET; First End Thread Series Designator: UNIFIED NATIONAL JOINT (UNJ); First End Thread Direction: RIGHT-HAND; Body Style: SINGLE CONNECTION, STRAIGHT FLOW. 13 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.