The Valve,safety Relief, cataloged under National Stock Number 4820-00-124-9745, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Celtech Corporation Div Use CAGE 65552 for All Orders. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-00-124-9745 |
| Primary Part Number | SCD10302-1 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Celtech Corporation Div Use CAGE 65552 for All Orders |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Connection Style | PLAIN (TUBE) ALL ENDS |
| Minimum Operating Temp | -40.0 FAHRENHEIT DEGF |
| Style Designator | STRAIGHT THRU |
| Adjustable Pressure Range | +0.0 TO 200.0 POUNDS PER SQUARE INCH LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Disk Loading Method | SPRING |
| Material | COPPER ALLOY BODY |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT |
| Material | COPPER ALLOY STEM |
| Thread Series Designator | NPT ALL ENDS |
| Opening Pressure Setting | 1.0 POUNDS PER SQUARE INCH LBS |
| 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 |
|---|---|
| SCD10302-1 | Celtech Corporation Div Use CAGE 65552 for All Orders (USA) |
| Reference | Meaning |
|---|---|
| 559B2M1PSI | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-00-124-9745 is a Valve,safety Relief, manufactured by Celtech Corporation Div Use CAGE 65552 for All Orders, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-124-9745 has 1 manufacturer part number on file: SCD10302-1 (Celtech Corporation Div Use CAGE 65552 for All Orders).
Key specifications for SCD10302-1: Flow Control Device: POPPET; Connection Style: PLAIN (TUBE) ALL ENDS; Minimum Operating Temp: -40.0 FAHRENHEIT DEGF; Style Designator: STRAIGHT THRU. 15 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.