| 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) | 00-278-1921 (002781921) |
| NCB Code | USA (00) |
| Manufacturer | General Electric Company, Curtiss Wright Electro Mechanical Corporation, Siemens Government Technologies, Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 634A478 | general electric company | ring piston | 81893 | RFQ |
| 634A478-001 | general electric company | ring piston | 01289 | RFQ |
| 634A478-1 | curtiss wright electro mechanical corporation | ring piston | 830q4 | RFQ |
| 634A478-1 | siemens government technologies, inc | ring piston | 0br59 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR,STRAIGHT FACE |
| ACXD | RING STYLE | CONCENTRIC |
| ACXF | RADIAL WALL THICKNESS | 0.3590 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM |
| ACXJ | OVERALL WIDTH | 0.8720 INCHES NOMINAL |
| ACXZ | STANDARD BORE DIAMETER | 10.500 INCHES |
| ZZZV | FSC APPLICATION DATA | TURBINE,STEAM |
| Components Related to NSN - 2825-00-278-1921, 2825002781921 | ||||
| 2815-01-152-3828 (2815011523828) | 2840-00-939-3327 (2840009393327) | 2815-00-428-9720 (2815004289720) | 2825-00-146-8143 (2825001468143) | |
| 2815-01-681-3527 (2815016813527) | 2815-01-513-3382 (2815015133382) | 2835-01-355-8306 (2835013558306) | 2810-01-543-0091 (2810015430091) | |
| 2835-01-054-1331 (2835010541331) | 2805-00-309-9351 (2805003099351) | 2840-01-579-8437 (2840015798437) | 2805-00-700-5614 (2805007005614) | |
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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