The Valve,safety Relief, cataloged under National Stock Number 4820-00-270-0682, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-270-0682 |
| Primary Part Number | 7720119-102 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Flange Face Design | PLAIN SECOND END |
| Bolt Circle Nominal Diameter | 2.875 INCHES SECOND END IN |
| Connection Type | FLANGE SECOND END |
| Style Designator | ANGLE |
| Bolt Hole Nominal Diameter | 0.190 INCHES SECOND END IN |
| Features Provided | BONNET PACKING AND PRESSURE TIGHT OUTLET SIDE |
| Bonnet Type | INSIDE SPRING |
| Nominal Outside Diameter | 3.250 INCHES SECOND END IN |
| Disk Loading Method | SPRING |
| Bolt Hole Quantity | 6 SECOND END |
| Bonnet Attachment Method | BOLTED |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 7720119-102 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics (USA) |
| Reference | Meaning |
|---|---|
| 7720119-102 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-00-270-0682 is a Valve,safety Relief, manufactured by Parker-Hannifin Corporation Dba Pneutronics, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-270-0682 has 1 manufacturer part number on file: 7720119-102 (Parker-Hannifin Corporation Dba Pneutronics).
Key specifications for 7720119-102: Flow Control Device: POPPET; Flange Shape: ROUND WITH HOLES SECOND END; Flange Face Design: PLAIN SECOND END; Bolt Circle Nominal Diameter: 2.875 INCHES SECOND END IN. 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.