| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-442-2081 (014422081) |
| NCB Code | USA (01) |
| Manufacturer | Anderson Greenwood Lp, Pentair Valves And Controls, Science Applications International Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 20391 | anderson greenwood lp | valve safety relief | 01343 | RFQ |
| 20391 ASSY 20391-01-3-3300 | anderson greenwood lp | valve safety relief | 01343 | RFQ |
| 20391-01-E-3300 | anderson greenwood lp | valve safety relief | 01343 | RFQ |
| 20391-01-E-3300 | pentair valves and controls | valve safety relief | 15187 | RFQ |
| 2039101E3300 | science applications international corporation | valve safety relief | 79343 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSU | DISK LOADING METHOD | SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | 150.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AGAV | END ITEM IDENTIFICATION | WASP CLASS LHD |
| AHNC | CONNECTION STYLE | SOCKET WITH BRAZING RING ERR-100 |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS |
| CQGM | MAXIMUM OPERATING PRESSURE | 3450.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CSDC | OPENING PRESSURE SETTING | 3300.0 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | NICKEL ALLOY BODY |
| MATT | MATERIAL | NICKEL ALLOY FLOW CONTROL DEVICE |
| MATT | MATERIAL | NICKEL ALLOY SEAT |
| MATT | MATERIAL | NICKEL ALLOY STEM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A494 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B164 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B164 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B164 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| STYL | STYLE DESIGNATOR | ANGLE |
| Components Related to NSN - 4820-01-442-2081, 4820014422081 | ||||
| 4820-01-251-8056 (4820012518056) | 4820-01-422-5097 (4820014225097) | 4810-00-280-2146 (4810002802146) | 4810-00-288-7539 (4810002887539) | |
| 4810-99-188-5410 (4810991885410) | 4820-01-221-1622 (4820012211622) | 4820-01-426-3375 (4820014263375) | 4820-01-363-2087 (4820013632087) | |
| 4810-01-408-9999 (4810014089999) | 4820-01-192-3568 (4820011923568) | 4820-00-997-9937 (4820009979937) | 4810-01-424-8304 (4810014248304) | |
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