We’re pleased to announce that part number 20721 with NSN 4820003919356 is now available in our ready-to-ship inventory. Manufactured by Crane Co Hydro Aire Div having CAGE Code 14959 under FSC 4820 Valves Nonpowered, 20721 part is a Valve Y. Are you interested in a quick quote for 20721 part? All you have to do is fill in the RFQ form below with your information, and we will take care of the rest. A dedicated sales representative will respond to your RFQ by email or by phone within 15 minutes of receiving this form.
| Part Number: 20721 | NSN: 4820-00-391-9356 (4820003919356) | Item Name: Valve Y | NIIN : 003919356 | |
| CAGE Code: 14959 | FSC: 4820 Valves Nonpowered | FSG: 48 Valves | Category: NSN | |
| Qty Available: 2518 | Description: Valve Y | Manufacturer: Crane Co Hydro Aire Div | Last Updated: 05-26-2025 | Country: USA |
| NCB Code: 00 | INC Code: 16992 | |||
Your quote will be calculated based on your answers to asterisk-marked (*) fields such as Needs Parts By and Quantity (ea), so be sure to fill them out as best and as thorough as possible. ASAP Aviation Stock, owned and operated by ASAP Semiconductor, is a leading supplier of NSN parts - with more than 2 billion NSNs in stock.
We are an AS9120B, ISO 9001:2015, and FAA 0056B accredited company and have several warehouses full of ready-to-ship parts in key locations across the US and Canada. This allows us to fulfill AOG requirements in a timely manner with ease. Need to meet your requirements ASAP? No problem, we offer same day shipping and next day shipping on qualifying items.
The National Stock Number, also known as NSN, is recognized and utilized as a cataloging system for procuring, stocking, and issuing items by all members of the North Atlantic Treaty Organization (NATO) and the United States’ Department of Defense (DoD). To learn more about 20721 part with NSN 4820003919356, call us at our toll-free number +1-714-705-4780, or email us at sales@asapaviationstock.com.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 4820-00-391-9356 Item Description: VALVE,Y | 4820 | 003919356 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | A | 0 | ||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| DD445S4810-243 | 2 | 2 | 5 |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSR | BONNET TYPE | OUTSIDE SCREW-YOKE |
| ADST | BONNET ATTACHMENT METHOD | THREADED |
| AECS | BOLT HOLE QUANTITY | 8 1ST END |
| AQLR | VALVE OPERATION METHOD | MANUAL |
| ARKN | FLANGE SHAPE | ROUND WITH HOLES 1ST END |
| AWLS | CONNECTION TYPE | FLANGE 1ST END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 8.250 INCHES 1ST END |
| CWCF | FACE TO FACE DISTANCE | 14.000 INCHES |
| CWCK | NOMINAL THICKNESS | 2.000 INCHES 1ST END |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.812 INCHES 1ST END |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 6.625 INCHES 1ST END |
| CWDF | FLANGE FACE DESIGN | RAISED STRAIGHT 1ST END |
| CWDH | RAISED FACE NOMINAL HEIGHT | 0.125 INCHES 1ST END |
| FEAT | SPECIAL FEATURES | 3/4 INCH FLANGED NIPPLE IN BONNET |
| MATT | MATERIAL | STEEL BODY |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU Y-PATTERN |
| 2010000011565 | 3010000016187 |
| 1510010879129 | 4010000019590 |
| 5110000122252 | 6010012320400 |
| 7010003227140 | 8150014633182 |
| 1510001240914 | 1510000808414 |
| View All | |
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