Thank you for taking an interest in part number 3978, a Howell Laboratories Inc product we have in stock that is listed alongside the NSN 4820010518215 and the description “Valve Safety Relief.” As part number 3978 is readily available for purchase on our website at any time, you are invited to fill out and submit the RFQ form provided on this page for the means of requesting a quote for your comparisons. All that we ask is that you supply us with important information such as your target price and expected shipping time frame so that we can best tailor a solution that caters to your unique needs and restrictions alike.
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To ensure that you only procure the exact items you require for carrying out operations, we list all aerospace parts, military and defense parts, and other product offerings with all applicable information for identification. For example, part number 3978 is listed alongside the NSN 4820-01-051-8215, meaning that it also belongs to FSC 4820 Valves Nonpowered. Furthermore, this NSN part is specifically manufactured under CAGE Code 22501, a unique identifier belonging to the manufacturer for a specific facility. With all of this in mind, kick off purchasing with us today and see why so many customers steadily choose us for their operational needs.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 4820-01-051-8215 Item PartTypeName: VALVE,SAFETY RELIEF | 4820 | 010518215 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 3978 | 2 | 9 | D |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | 250.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | PLAIN (TUBE) 1ST END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |
| CQCY | ADJUSTABLE PRESSURE RANGE | 25.0 TO 75.0 POUNDS PER SQUARE INCH |
| CQGM | MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.563 INCHES 1ST END |
| CSDC | OPENING PRESSURE SETTING | 50.0 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 BODY |
| MATT | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| MEDA | MEDIA FOR WHICH DESIGNED | ACETYLENE 2ND RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | AMMONIA,GASEOUS 3RD RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | FUEL/OIL,HYDROCARBON 4TH RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | HELIUM 5TH RESPONSE |
| SFTT | SURFACE TREATMENT | ANODIZE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625A TYPE I MIL SPEC SINGLE TREATMENT RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU W/BAFFLE |
| THSD | THREAD SERIES DESIGNATOR | UNJF 1ST END |
| TMQY | FURNISHED ITEMS AND QUANTITY | 1 DEFLECTOR CAP |
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