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| 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 | Pentair Valves And Controls, Anderson Greenwood Lp, Science Applications International Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 20391-01-E-3300 | pentair valves and controls | valve safety relief | RFQ |
| 20391 | anderson greenwood lp | valve safety relief | RFQ |
| 2039101E3300 | science applications international corporation | valve safety relief | RFQ |
| 20391 ASSY 20391-01-3-3300 | anderson greenwood lp | valve safety relief | RFQ |
| 20391-01-E-3300 | anderson greenwood lp | valve safety relief | 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 |
| Relevant Components for NSN - 4820-01-442-2081, 4820014422081 | ||||
| 4810-01-693-0546 (4810016930546) | 4810-01-224-8636 (4810012248636) | 4810-00-181-8826 (4810001818826) | 4810-00-533-2538 (4810005332538) | |
| 4820-01-319-3454 (4820013193454) | 4820-01-154-9733 (4820011549733) | 4810-01-176-9496 (4810011769496) | 4820-01-278-5449 (4820012785449) | |
| 4810-01-152-7681 (4810011527681) | 4810-00-127-2787 (4810001272787) | 4820-00-557-7800 (4820005577800) | 4810-01-469-1460 (4810014691460) | |
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