| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-639-9393 (006399393) |
| NCB Code | USA (00) |
| Manufacturer | Ashcroft Inc, Electric Boat Corporation, Anderson Greenwood Lp, Kunkle Industries Inc, Military Specifications |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 1836-3-4 | ashcroft inc | valve safety relief | RFQ |
| 3868-143PCV3 | electric boat corporation | valve safety relief | RFQ |
| S6336BALT1PC3-4SPRING202 | ashcroft inc | valve safety relief | RFQ |
| DA90C 1426T1750PSI3 4X1IN | anderson greenwood lp | valve safety relief | RFQ |
| NMP1151DA90C3 4X1IN SPRING1277 | anderson greenwood lp | valve safety relief | RFQ |
| NMP1151DA90C3 4X1IN SPRING1277 | kunkle industries inc | valve safety relief | RFQ |
| DA90C 1426T1750PSI 3 4X1IN | kunkle industries inc | valve safety relief | RFQ |
| MILV20065TYPEA2CLASSC | military specifications | valve safety relief | RFQ |
| 3678-184REVAPCV3 | electric boat corporation | valve safety relief | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| CQCY | ADJUSTABLE PRESSURE RANGE | 0.0 TO 1000.0 POUNDS PER SQUARE INCH |
| CQGM | MAXIMUM OPERATING PRESSURE | 3500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MATT | MATERIAL | COPPER ALLOY BODY |
| MATT | MATERIAL | COPPER ALLOY FLOW CONTROL DEVICE AND NICKEL ALLOY FLOW CONTROL DEVICE |
| MATT | MATERIAL | COPPER ALLOY STEM |
| MATT | MATERIAL | NICKEL ALLOY SEAT |
| MEDA | MEDIA FOR WHICH DESIGNED | STEAM SINGLE RESPONSE |
| STYL | STYLE DESIGNATOR | ANGLE |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | A2 TYPE AND C CLASS |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY SIZE 3/4 IN. BY 1 1/4 IN. |
| Relevant Components for NSN - 4820-00-639-9393, 4820006399393 | ||||
| 4820-00-405-2314 (4820004052314) | 4820-01-644-7717 (4820016447717) | 4820-00-138-5801 (4820001385801) | 4820-01-478-3615 (4820014783615) | |
| 4810-01-231-9665 (4810012319665) | 4810-01-463-1795 (4810014631795) | 4820-01-270-4213 (4820012704213) | 4820-01-482-5390 (4820014825390) | |
| 4810-01-574-6488 (4810015746488) | 4820-01-375-3688 (4820013753688) | 4810-01-486-6370 (4810014866370) | 4820-01-562-8058 (4820015628058) | |
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