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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) | 01-451-2556 (014512556) |
| NCB Code | USA (01) |
| Manufacturer | Dresser Industries Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 1990C-1 X .75 135PSI | dresser industries inc | valve safety relief | RFQ |
| 1990 | dresser industries inc | valve safety relief | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AWLS | Connection Type | THREADED INTERNAL PIPE 2ND END |
| MDCL | Material Document And Classification | ASTM A276 COND T ASSN STD SINGLE MATERIAL RESPONSE STEM |
| AHNC | Connection Style | PLAIN,OPTIONAL END(PIPE) 2ND END |
| MEDA | Media For Which Designed | STEAM 2ND RESPONSE |
| AHNC | Connection Style | PLAIN (PIPE) 1ST END |
| MDCL | Material Document And Classification | ASTM A479 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| STYL | Style Designator | ANGLE |
| AEQJ | Minimum Operating Temp | -20.0 DEG FAHRENHEIT |
| ADSU | Disk Loading Method | SPRING |
| MATT | Material | STEEL COMP 316 FLOW CONTROL DEVICE |
| CSDC | Opening Pressure Setting | 135.0 POUNDS PER SQUARE INCH |
| CQJX | Nominal Thread Size | 1.000 INCHES 2ND END |
| AEHZ | Maximum Operating Temp | 400.0 DEG FAHRENHEIT SINGLE RESPONSE |
| MEDA | Media For Which Designed | AIR 1ST RESPONSE |
| MRC | Decoded Requirement | Clear Text Reply |
| AGAV | End Item Identification | STRATEGIC SEALIFT CONVERSION SHIPS CLASS |
| CQJX | Nominal Thread Size | 0.750 INCHES 1ST END |
| FEAT | Special Features | CARBON STEEL (PHOSPHATED) SRING;ORIFICE AREA 0.110 SQ IN. |
| CQGM | Maximum Operating Pressure | 2000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| AWLS | Connection Type | THREADED EXTERNAL PIPE 1ST END |
| AAJF | Thread Direction | RIGHT-HAND ALL ENDS |
| AQLR | Valve Operation Method | AUTOMATIC |
| THSD | Thread Series Designator | NPT ALL ENDS |
| TMQY | Furnished Items And Quantity | 1 LEVER |
| ADQU | Flow Control Device | DISK |
| MDCL | Material Document And Classification | ASTM A479 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| MATT | Material | STEEL COMP 410 STEM |
| MATT | Material | STEEL COMP 316 BODY |
| Relevant Components for NSN - 4820-01-451-2556, 4820014512556 | ||||
| 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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