INSTANT RFQ

Explore Our Catalog of NSN 4820-01-138-1941 Supplies and Resources

If your operations require reliable part options that fall under the NSN 4820-01-138-1941, be sure to explore the catalog organized below. Here, you will find applicable part numbers like D559T1-6M-2, and others listed out for your consideration, as well as a collection of relevant components. To ensure that you are able to locate exactly what your operations require, do be sure to review the various data and technical characteristics that we have provided. Once you narrow down desired items within our NSN 4820-01-138-1941 inventory, you are welcome to take the first step of procurement by requesting a quote for your comparisons.


To begin quotation, click on the “RFQ” button next to any desired NSN 4820-01-138-1941 part and complete the form you are directed to. As our staff receive and review quote requests, they will utilize all offered information to find the most advantageous purchasing options. This is why we ask for key details concerning your needs, as our quotes are fully customized to the unique specifications of each customer. Those who wish to speak with our team about our NSN 4820-01-138-1941 inventory and purchasing options are welcome to call or email at any time, so be sure to get in touch.

Item Name Valve Safety Relief
Federal Supply Group (FSG) Valves
Federal Supply Class (FSC) 4820 Valves Nonpowered
National Item Identification Number (NIIN) 01-138-1941 (011381941)
NCB Code USA (01)
Manufacturer Circor Aerospace Inc
Part Number Manufacturer Item Name Cage Code RFQ
D559T1-6M-2 circor aerospace inc valve safety relief 91816 RFQ

Technical Characteristics of NSN 4820011381941

MRCCriteriaCharacteristic
AAJFTHREAD DIRECTIONRIGHT-HAND ALL ENDS
ADQUFLOW CONTROL DEVICEPOPPET
AEHZMAXIMUM OPERATING TEMP250.0 DEG FAHRENHEIT SINGLE RESPONSE
AHNCCONNECTION STYLEPLAIN (PIPE) ALL ENDS
AQLRVALVE OPERATION METHODAUTOMATIC
AWLSCONNECTION TYPETHREADED EXTERNAL PIPE 1ST END
CQCYADJUSTABLE PRESSURE RANGE0.5/2.4 POUNDS PER SQUARE INCH
CQGMMAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
CQJXNOMINAL THREAD SIZE0.750 INCHES ALL ENDS
CSDCOPENING PRESSURE SETTING2.0 POUNDS PER SQUARE INCH
MATTMATERIALSTEEL COMP 316 OVERALL
MEDAMEDIA FOR WHICH DESIGNEDACETYLENE 2ND RESPONSE
MEDAMEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
MEDAMEDIA FOR WHICH DESIGNEDAMMONIA,GASEOUS 3RD RESPONSE
MEDAMEDIA FOR WHICH DESIGNEDHYDROGEN 5TH RESPONSE
MEDAMEDIA FOR WHICH DESIGNEDREFRIGERANT 12 4TH RESPONSE
STYLSTYLE DESIGNATORSTRAIGHT THRU
THSDTHREAD SERIES DESIGNATORNPT ALL ENDS
TMQYFURNISHED ITEMS AND QUANTITY1 DEFLECTOR CAP

Relevant Components for NSN - 4820-01-138-1941, 4820011381941
4820-00-400-6633 (4820004006633) 4810-01-229-5516 (4810012295516) 4820-01-452-4356 (4820014524356) 4820-00-630-3177 (4820006303177)
4820-01-654-7723 (4820016547723) 4820-01-579-3371 (4820015793371) 4820-00-122-1160 (4820001221160) 4820-01-122-0915 (4820011220915)
4820-01-304-5569 (4820013045569) 4820-01-254-8701 (4820012548701) 4820-00-130-2259 (4820001302259) 4820-01-572-2972 (4820015722972)

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