ASAP Aviation Procurement is pleased to announce that part number 570-4 AND PL-4984 of NSN 4820-01-271-2691 is now available and in stock. We can get you one of the fastest and most competitive quotes on this part. Part number 570-4 AND PL-4984 is a Valve Stop Check manufactured by Admiral Valve Llc under CAGE Code 99565. Simply fill out the Request for Quote (RFQ) form provided here to get started on your quote. In order to make sure that we get you your quote in a timely manner, please take the time to make sure that all fields are completely filled out, particularly the asterisk-marked (*) fields like Parts Needed By and Quantity (ea).
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 4820-01-271-2691 Item PartTypeName: VALVE,STOP-CHECK | 4820 | 012712691 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | A | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 570-4 AND PL-4984 | 2 | 2 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.750 INCHES ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSR | BONNET TYPE | INSIDE SCREW |
| ADST | BONNET ATTACHMENT METHOD | UNION |
| ADSU | DISK LOADING METHOD | SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | 225.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | BEVELED PIPE) ALL ENDS |
| AQLR | VALVE OPERATION METHOD | MANUAL |
| AWLS | CONNECTION TYPE | BUTT WELD PIPE ALL ENDS |
| BBJX | MOUNTING POSITION | HORIZONTAL |
| CQGM | MAXIMUM OPERATING PRESSURE | 6000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MATT | MATERIAL | NICKEL ALLOY SEAT |
| MATT | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE |
| MATT | MATERIAL | STEEL COMP 316 STEM |
| MATT | MATERIAL | STEEL COMP 316L BODY |
| MEDA | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| TMQY | FURNISHED ITEMS AND QUANTITY | 1 HANDWHEEL |
![]() |
AS9120B and ISO 9001:2015 |
![]() |
Aviation Suppliers Association Member |
![]() |
FAA AC 0056B Accredited |
![]() |
AS 6081:2012 Certification |
![]() |
ESD S20.20-2014 Certification |
Before You Go, Take a look To Our Extensive Range of NSN Parts Catalog. We Provide High Quality NSN Parts with 24/7 Quotation Facility.
Request for Quote