AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Ring Piston |
| Federal Supply Group (FSG) | Engines Turbines and Components |
| Federal Supply Class (FSC) | 2825 Steam Turbines and Components |
| National Item Identification Number (NIIN) | 00-972-8889 (009728889) |
| NCB Code | USA (00) |
| Manufacturer | Siemens Government Technologies, Inc, General Electric Company, Curtiss Wright Electro Mechanical Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | STRAIGHT FACE,DOUBLE SCRAPER |
| ACXD | RING STYLE | CONCENTRIC |
| ACXF | RADIAL WALL THICKNESS | 4.7180 INCHES NOMINAL |
| ACXJ | OVERALL WIDTH | 0.9380 INCHES NOMINAL |
| ACXZ | STANDARD BORE DIAMETER | 1.250 INCHES |
| ADTE | JOINT STYLE | VERTICAL JOINT |
| CQKZ | OIL PASSAGE TYPE AND QUANTITY | 2 GROOVE OUTSIDE PERIPHERY |
| MATT | MATERIAL | STEEL COMP 1020 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Relevant Components for NSN - 2825-00-972-8889, 2825009728889 | ||||
| 2825-00-790-8901 (2825007908901) | 2825-01-010-8535 (2825010108535) | 2825-00-371-7811 (2825003717811) | 2805-01-264-5598 (2805012645598) | |
| 2840-01-375-6452 (2840013756452) | 2805-01-130-2594 (2805011302594) | 2835-01-234-6845 (2835012346845) | 2805-01-714-1073 (2805017141073) | |
| 2840-00-837-2120 (2840008372120) | 2840-01-708-1715 (2840017081715) | 2840-01-200-9553 (2840012009553) | 2805-00-710-5355 (2805007105355) | |
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