The Valve,safety Relief, cataloged under National Stock Number 4820-01-419-4777, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Clark Equipment Co Div Doosan Infracore Portable Power. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-419-4777 |
| Primary Part Number | 35596733 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Clark Equipment Co Div Doosan Infracore Portable Power |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Connection Style | PLAIN,OPTIONAL END(PIPE) SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Style Designator | ANGLE |
| Operating Pressure | 900.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 1.250 INCHES SECOND END IN |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Maximum Operating Temp | 800.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Disk Loading Method | SPRING |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Material | STEEL BODY |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING STEM |
| Thread Series Designator | NPT ALL ENDS |
| Opening Pressure Setting | 425.0 POUNDS PER SQUARE INCH LBS |
| Valve Operation Method | AUTOMATIC OR 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 |
|---|---|
| CV177934 | Tvs Supply Chain Solutions Limited (GBR) |
| 35596733 | Ingersoll-Rand European Sales Ltd (GBR) |
| 35596733 PRIMARY | Clark Equipment Co Div Doosan Infracore Portable Power (USA) |
| 35596733 | Doosan Infracore Portable Power & Attachments (GBR) |
| Reference | Meaning |
|---|---|
| 35596733 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| 910BED0Z-KC0425 | C/1 Advisory reference — outside the item-of-supply concept Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| 910BED02-KC0425 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
NSN 4820-01-419-4777 is a Valve,safety Relief, manufactured by Clark Equipment Co Div Doosan Infracore Portable Power, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-419-4777 has 4 manufacturer part numbers on file: CV177934 (Tvs Supply Chain Solutions Limited), 35596733 (Ingersoll-Rand European Sales Ltd), 35596733 (Clark Equipment Co Div Doosan Infracore Portable Power), 35596733 (Doosan Infracore Portable Power & Attachments).
Key specifications for 35596733: Flow Control Device: DISK; Connection Style: PLAIN,OPTIONAL END(PIPE) SECOND END; Connection Style: PLAIN (PIPE) FIRST END; Connection Type: THREADED INTERNAL PIPE SECOND END. 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.