The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-328-8202, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West. Government technical data includes 26 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-00-328-8202 |
| Primary Part Number | 7904035-00 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | NOT IDENTICAL |
| Second End Thread Class | 3B |
| Regulation Type | AUTOMATIC DOUBLE STAGE |
| First End Seat Angle in Deg | 37.0 |
| First End Thread Class | 3A A |
| Third End Relationship with Preceding Ends | IDENTICAL WITH SECOND END |
| First End Style Designator | FLARED |
| Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 160.0 FAHRENHEIT MAXIMUM DEGF |
| End Connection Quantity | 3 |
| Outlet Pressure Range | 0.0 TO 10.0 CAMERA MOUNT |
| Second End Thread Direction | RIGHT-HAND |
| Valve Loading Method | SPRING |
| Second End Style Designator | GASKET SEAL |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Surface Treatment | ANODIZE OUTSIDE |
| First End Outside Diameter Tube Accommodated | 0.250 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY FLOW CONTROL DEVICE |
| Material | ALUMINUM AND BRONZE SEAT |
| Media for Which Designed | AIR |
| Maximum Inlet Pressure Rating | ERR-060 |
| Second End Connection Type | THREADED INTERNAL BOSS |
| Thread Size and Series/type Designator | 7/16-20 UNF FIRST END |
| Thread Size and Series/type Designator | 7/16-20 UNF SECOND END |
| Filter | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 7904035-00 | L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West (USA) |
| Reference | Meaning |
|---|---|
| 17840-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-00-328-8202 is a Valve,regulating,fluid Pressure, manufactured by L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-328-8202 has 1 manufacturer part number on file: 7904035-00 (L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West).
1 possible match (shared part number, not a government interchangeability claim): 5305-00-815-5696. Verify interchangeability with system specifications before substitution.
Key specifications for 7904035-00: Flow Control Device: POPPET; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: NOT IDENTICAL; Second End Thread Class: 3B. 26 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.