We’re pleased to announce that part number B6278 with NSN 5310004416658 is now available in our ready-to-ship inventory. Manufactured by Bendix Corp having CAGE Code 06840 under FSC 5310 Nuts and Washers, B6278 part is a Washer Key. Are you interested in a quick quote for B6278 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: B6278 | NSN: 5310-00-441-6658 (5310004416658) | Item Name: Washer Key | NIIN : 004416658 | |
| CAGE Code: 06840 | FSC: 5310 Nuts and Washers | FSG: 53 Hardware and Abrasives | Category: NSN | |
| Qty Available: 2575 | Description: Washer Key | Manufacturer: Bendix Corp | Last Updated: 05-21-2025 | Country: USA |
| NCB Code: 00 | INC Code: 01869 | |||
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 B6278 part with NSN 5310004416658, 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 |
|---|---|---|---|---|---|---|
| 5310-00-441-6658 Item Description: WASHER,KEY | 5310 | 004416658 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| B6278 | 2 | 9 | 5 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.666 INCHES MINIMUM AND 0.676 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM |
| ABLB | INTERNAL PREBENT KEY LENGTH | 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM |
| ABLF | EXTERNAL PREBENT KEY WIDTH | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| ABLK | INTERNAL PREBENT KEY WIDTH | 0.115 INCHES MINIMUM AND 0.120 INCHES MAXIMUM |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 1.125 INCHES NOMINAL |
| ABMQ | EXTERNAL KEY QUANTITY | 4 |
| ABPX | MATERIAL THICKNESS | 0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM |
| CRZL | ANGLE BETWEEN FIRST AND SECOND KEY | 165.0 DEGREES NOMINAL |
| CSHK | ANGLE BETWEEN SECOND AND THIRD KEY | 105.0 DEGREES NOMINAL |
| MATT | III MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-698,COND 4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | TIN OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| 2010000011565 | 3010000016187 |
| 1510010879129 | 4010000019590 |
| 5110000122252 | 6010012320400 |
| 7010003227140 | 8150014633182 |
| 1510001240914 | 1510000808414 |
| View All | |
Low Price Warrantied inventory at competitive prices
Find it fast Search the world's largest inventory of electronic components by manufacturer, category or part number
Quality guaranteed We sell only warrantied and traceable parts
Get it fast All inventory ready to ship from our sellers
All Orders are Fulfilled in the U.S.A.
All shipments must comply with U.S.A export laws.
No exceptions.
The only independent distributor
with a NO CHINA SOURCING Pledge
“We Proudly Support Intrepid Fallen Heroes Fund that serves United States Military Personal experiencing the Invisible Wounds of War : Traumatic Brain Injury (TBI) and Post Traumatic Stress (PTS). Please visit website (www.fallenheroesfund.org) and help in their valiant effort”.
Remember That If You Need Any Kind of Aviation Parts, Just Click On The "Request For Quote" Button and Fill The Simple Form.
Request for Quote