We’re pleased to announce that part number 73998 with NSN 2810001356731 is now available in our ready-to-ship inventory. Manufactured by Textron Lycoming Inc having CAGE Code 80254 under FSC 2810 Gasoline Reciprocating Engines Aircraft Prime Mover and Components, 73998 part is a Ring Piston. Are you interested in a quick quote for 73998 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: 73998 | NSN: 2810-00-135-6731 (2810001356731) | Item Name: Ring Piston | NIIN : 001356731 | |
| CAGE Code: 80254 | FSC: 2810 Gasoline Reciprocating Engines Aircraft Prime Mover and Components | FSG: 28 Engines Turbines and Components | Category: NSN | |
| Qty Available: 2155 | Description: Ring Piston | Manufacturer: Textron Lycoming Inc | Last Updated: 05-23-2025 | Country: USA |
| NCB Code: 00 | INC Code: 11459 | |||
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 73998 part with NSN 2810001356731, 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 |
|---|---|---|---|---|---|---|
| 2810-00-135-6731 Item Description: RING,PISTON | 2810 | 001356731 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 73998 | 2 | 2 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| ACXD | RING STYLE | CONCENTRIC |
| ACXF | RADIAL WALL THICKNESS | 0.1450 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM |
| ACXJ | OVERALL WIDTH | 0.1540 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM |
| ACXZ | STANDARD BORE DIAMETER | 5.125 INCHES |
| ADTE | JOINT STYLE | VERTICAL JOINT |
| CQKZ | OIL PASSAGE TYPE AND QUANTITY | 1 GROOVE OUTSIDE PERIPHERY |
| CQKZ | OIL PASSAGE TYPE AND QUANTITY | 10 SLOT HORIZONTALLY THROUGH RING |
| MATT | MATERIAL | IRON OVERALL |
| MATT | MATERIAL | STEEL EXPANDER |
| SFTT | SURFACE TREATMENT | SILICOATED,FSCM 80254 OUTSIDE PERIPHERY |
| ZZZV | III FSC APPLICATION DATA | ENG R2000 |
| 2010000011565 | 3010000016187 |
| 1510010879129 | 4010000019590 |
| 5110000122252 | 6010012320400 |
| 7010003227140 | 8150014633182 |
| 1510001240914 | 1510000808414 |
| View All | |
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