| Item Name | Ring Piston |
| Federal Supply Group (FSG) | Engines Turbines and Components |
| Federal Supply Class (FSC) | 2805 Gasoline Reciprocating Engines Except Aircraft and Components |
| National Item Identification Number (NIIN) | 00-990-3221 (009903221) |
| NCB Code | USA (00) |
| Manufacturer | Meggitt International Ltd, Hamilton Sundstrand Corporation, Vapor Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADTE | JOINT STYLE | VERTICAL JOINT |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5621 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SR-5 | MANUFACTURERS CODE | 79318 |
| SR-5 | THE MANUFACTURERS DATA | |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE |
| SR-5 | DESIGN CONTROL REFERENCE | 25916207 |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| ACXD | RING STYLE | CONCENTRIC |
| ACXF | RADIAL WALL THICKNESS | 0.0610 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM |
| ACXJ | OVERALL WIDTH | 0.0250 INCHES MINIMUM AND 0.0270 INCHES MAXIMUM |
| ACXZ | STANDARD BORE DIAMETER | 1.925 INCHES |
| Relevant Components for NSN - 2805-00-990-3221, 2805009903221 | ||||
| 2805-00-371-7568 (2805003717568) | 2835-00-626-9669 (2835006269669) | 2840-00-939-3493 (2840009393493) | 2840-01-321-1442 (2840013211442) | |
| 2825-00-309-1763 (2825003091763) | 2835-00-682-5353 (2835006825353) | 2815-00-139-3970 (2815001393970) | 2840-00-866-1571 (2840008661571) | |
| 2840-01-674-1631 (2840016741631) | 2840-01-310-6208 (2840013106208) | 2815-01-690-0888 (2815016900888) | 2835-01-177-9984 (2835011779984) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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