We’re pleased to announce that part number 4A521 with NSN 2530003636542 is now available in our ready-to-ship inventory. Manufactured by Caterpillar Inc having CAGE Code 11083 under FSC 2530 Vehicular Brake Steering Axle Wheel and Track Components, 4A521 part is a Lining Friction. Are you interested in a quick quote for 4A521 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: 4A521 | NSN: 2530-00-363-6542 (2530003636542) | Item Name: Lining Friction | NIIN : 003636542 | |
| CAGE Code: 11083 | FSC: 2530 Vehicular Brake Steering Axle Wheel and Track Components | FSG: 25 Vehicular Equipment Components | Category: NSN | |
| Qty Available: 1843 | Description: Lining Friction | Manufacturer: Caterpillar Inc | Last Updated: 05-23-2025 | Country: USA |
| NCB Code: 00 | INC Code: 11405 | |||
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 4A521 part with NSN 2530003636542, 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 |
|---|---|---|---|---|---|---|
| 2530-00-363-6542 Item Description: LINING,FRICTION | 2530 | 003636542 | 0 | P | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| M518 | 2 | 2 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AARN | FABRICATION METHOD | WOVEN |
| AAZR | MAJOR DIAMETER | 5.469 NOMINAL MILS AND 5.500 NOMINAL CENTIMETERS |
| ABNM | THICKNESS | 0.152 NOMINAL MILS AND 0.160 NOMINAL CENTIMETERS |
| ABRB | HOLE ARRANGEMENT STYLE | STAGGERED |
| AGJR | MINOR DIAMETER | 2.750 INCHES MINIMUM AND 2.781 INCHES MAXIMUM |
| AJKK | LINING STYLE | CLUTCH DISK |
| AJMJ | APPLICATION TYPE | DRY |
| CBBL | FEATURES PROVIDED | RIGID FRICTION LINING |
| CQHT | SURFACE CONDITION AND LOCATION | BOTH SIDES GROUND |
| CTCX | CIRCULAR PATTERN HOLE TYPE AND QUANTITY | 3 COUNTERBORED INNER SECURING CIRCLE |
| CTCX | CIRCULAR PATTERN HOLE TYPE AND QUANTITY | 3 COUNTERBORED OUTER SECURING CIRCLE |
| CTPJ | ATTACHMENT METHOD | RIVETED |
| SUPP | SUPPLEMENTARY FEATURES | THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCES 11083 HAVE INDICATED THIER PART NUMBER CONTAINED ASBESTOS PRIOR TO 8 4. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984 |
| 2010000011565 | 3010000016187 |
| 1510010879129 | 4010000019590 |
| 5110000122252 | 6010012320400 |
| 7010003227140 | 8150014633182 |
| 1510001240914 | 1510000808414 |
| View All | |
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