Thank you for taking interest in the Dresser Industries Inc part number 1990, a Valve Safety Relief product that we stock that is presented alongside the NSN 4820-01-451-2556 for ease of identification. If you would like to learn more about this component and secure purchasing options for your consideration, please fill out and submit the Request for Quote (RFQ) form that is offered below. All we ask is that you supply us with enough information to best accommodate any particular requirements or restrictions that you may have, and we will respond with a curated quote within 15 minutes of our receipt and review.
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We strive to ensure that customers only receive precise items of need, opting to arrange our collection by diverse, commonly recognized forms of data. For instance, part number 1990 specifically traces back to Dresser Industries Inc through the CAGE Code 16497, a distinct identifier for one of their physical locations. Moreover, with the NSN 4820-01-451-2556, this listing falls within Federal Supply Code (FSC) 4820 Valves Nonpowered, enabling one to figure out its basic application. Keeping this in mind, do not hesitate to obtain a competitive quote for part number 1990 here on Aero OEM Parts at your earliest convenience.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 4820-01-451-2556 Item PartTypeName: VALVE,SAFETY RELIEF | 4820 | 014512556 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | A | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 1990C-1 X .75 135PSI | 5 | 9 | 3 |
| 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 |
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