We’re pleased to announce that part number B978 with NSN 3020003898199 is now available in our ready-to-ship inventory. Manufactured by Dayton Walther Corp having CAGE Code 72540 under FSC 3020 Gear Pulley Sprocket and Transmission Chain, B978 part is a Gear Bevel. Are you interested in a quick quote for B978 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: B978 | NSN: 3020-00-389-8199 (3020003898199) | Item Name: Gear Bevel | NIIN : 003898199 | |
| CAGE Code: 72540 | FSC: 3020 Gear Pulley Sprocket and Transmission Chain | FSG: 30 Mechanical Power Transmission Equipment | Category: NSN | |
| Qty Available: 2088 | Description: Gear Bevel | Manufacturer: Dayton Walther Corp | Last Updated: 05-26-2025 | Country: USA |
| NCB Code: 00 | INC Code: 05463 | |||
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 B978 part with NSN 3020003898199, call us at our toll-free number +1-714-705-4780, or email us at sales@asapaviationstock.com.
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | PLAIN, SOLID |
| AGJS | PITCH DIAMETER | 2.2004 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 11 |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| CQFM | HARDNESS RATING | 49.0 ROCKWELL H MINIMUM OVERALL AND 52.0 ROCKWELL H MAXIMUM OVERALL |
| CWCD | NOMINAL OUTSIDE DIAMETER | 2.455 INCHES |
| CWFR | NOMINAL OVERALL LENGTH | 1.281 INCHES |
| CWMW | TEETH TYPE | STRAIGHT |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| CWQD | PITCH ANGLE | 26.5644 DEGREES |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.622 INCHES SECOND END |
| CWRM | FACE NOMINAL WIDTH | 0.760 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 1.000 INCHES BOTH ENDS |
| CWTR | HUB STYLE DESIGNATOR | PINNED SECOND END |
| CWTX | HUB NOMINAL DIAMETER | 1.750 INCHES SECOND END |
| CWZK | MOUNTING HOLE NOMINAL DIAMETER | 0.312 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| MATT | III MATERIAL | STEEL COMP 1015 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | PERIPHERAL FACE, BACK HUB PROTRUDING |
| 2010000011565 | 3010000016187 |
| 1510010879129 | 4010000019590 |
| 5110000122252 | 6010012320400 |
| 7010003227140 | 8150014633182 |
| 1510001240914 | 1510000808414 |
| View All | |
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