Purchasing Efficiency, owned and operated by ASAP Semiconductor, is an industry-leading distributor of parts used in the aviation and defense industries. Our mission is to simplify the parts procurement process by enabling our customers to search through our inventory of over six billion parts quickly and efficiently. Type in your desired NSN such as 4820-00-591-8550 or any top part number like LB91181 into our search engine and our available stocks will appear in a matter of seconds.
We are an AS9120B, ISO 9001:2015, and FAA AC 0056B accreditation company, and the only independent distributor with a No China Sourcing pledge. Our dedicated account managers offer customized solutions for the needs of our clients, including high priority AOG issues. If you would like to receive a quote for NSN 4820-00-591-8550, fill out a request for quote form today.
| Item Name | Seat Valve |
| INC Code | 22113 |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves, Nonpowered |
| National Item Identification Number (NIIN) | 00-591-8550 (005918550) |
| NCB Code | USA (00) |
| Manufacturer | Curtiss Wright Electro Mechanical Corporation Dba Steam And Air Solutions Div Cu, Dresserrand Company, Curtisswright Corp, Turbodyne, Curtiss Wright Electro Mechanical Corporation Div Steam And Air Solutions |
| Associated Parts Numbers of NSN 4820-00-591-8550 | ||||||
|---|---|---|---|---|---|---|
| Part Number | Manufacturer | Item Name | Availability | RFQ | ||
| LB91181 | curtiss wright electro mechanical corporation dba steam and air solutions div cu | seat valve | Yes | RFQ | ||
| LB91181 | dresserrand company | seat valve | Yes | RFQ | ||
| LB91181 | curtisswright corp | seat valve | Yes | RFQ | ||
| LB91181 | turbodyne | seat valve | Yes | RFQ | ||
| LB91181 | curtiss wright electro mechanical corporation div steam and air solutions | seat valve | Yes | RFQ | ||
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 2 005 INCHES NOMINAL |
| ABND | TAPER LENGTH | 1 400 INCHES NOMINAL |
| ABQA | TAPER MINOR DIAMETER | 0 625 INCHES NOMINAL |
| ABQB | TAPER MAJOR DIAMETER | 0 865 INCHES NOMINAL |
| ADAR | BODY OUTSIDE DIAMETER | 1 500 INCHES NOMINAL |
| ADAS | BODY INSIDE DIAMETER | 0 865 INCHES NOMINAL |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0 875 INCHES NOMINAL |
| AJRM | UNDER FLANGE HEIGHT | 0 635 INCHES NOMINAL |
| AJSG | SEAT ANGLE IN DEG | 45 000 NOMINAL |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| MATT | MATERIAL | STEEL OVERALL |
| STYL | STYLE DESIGNATOR | PLAIN FLANGED |
| Relevant Components for NSN - 4820-00-591-8550, 4820005918550 | ||||
| 4820-01-423-5693 (4820014235693) | 4820-01-171-7589 (4820011717589) | 4820-01-594-6031 (4820015946031) | 4820-00-892-5648 (4820008925648) | |
| 4820-17-110-1463 (4820171101463) | 4820-01-217-9990 (4820012179990) | 4820-01-568-2799 (4820015682799) | 4820-01-278-6229 (4820012786229) | |
| 4820-01-507-2847 (4820015072847) | 4810-00-761-5414 (4810007615414) | 4820-01-474-0417 (4820014740417) | 4820-01-240-1052 (4820012401052) | |
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