We’re pleased to announce that part number 21139 with NSN 4820008214690 is now available in our ready-to-ship inventory. Manufactured by S I T Corporation having CAGE Code 1MQB3 under FSC 4820 Valves Nonpowered, 21139 part is a Parts Kit Valve. Are you interested in a quick quote for 21139 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: 21139 | NSN: 4820-00-821-4690 (4820008214690) | Item Name: Parts Kit Valve | NIIN : 008214690 | |
| CAGE Code: 1mqb3 | FSC: 4820 Valves Nonpowered | FSG: 48 Valves | Category: NSN | |
| Qty Available: 2552 | Description: Parts Kit Valve | Manufacturer: S I T Corporation | Last Updated: 05-24-2025 | Country: USA |
| NCB Code: 00 | INC Code: 37428 | |||
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 21139 part with NSN 4820008214690, 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 |
|---|---|---|---|---|---|---|
| 4820-00-821-4690 Item Description: PARTS KIT,VALVE | 4820 | 008214690 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | A | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 21139 | 2 | 2 | 5 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AJJW | COMPONENT QUANTITY | 49 |
| AJKC | SUPPLY ITEMS AND QUANTITIES | 5365-01-297-6148 SHIM 2; 5310-00-838-6089 WASHER,FLAT 6; 3110-00-142-4464 BEARING 2; 5310-00-275-2025 NUT,HEX 6+ 5305-00-150-9213 SCREW 4; 5365-00-287-0095 PLUG,BLEEDER 2; 5365-00-16-0812 WASHER,FLAT 6; 3110-00-159-9239 BEARING 2+ 5340-00-8 |
| AJKD | NONSUPPLY ITEMS AND QUANTITIES | 79294 15904 SPACER 1;79294 15918 SPRING 2; 79294 16008 SHIM 2; 79294 18967 SPRING 2; 79294 17594 SPRING 2; 79294 AN565A1232H12 SCREW,SET 4 |
| 2010000011565 | 3010000016187 |
| 1510010879129 | 4010000019590 |
| 5110000122252 | 6010012320400 |
| 7010003227140 | 8150014633182 |
| 1510001240914 | 1510000808414 |
| View All | |
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