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) | 2805 Gasoline Reciprocating Engines Except Aircraft and Components |
| National Item Identification Number (NIIN) | 00-391-3042 (003913042) |
| NCB Code | USA (00) |
| Manufacturer | Spx Corporation, Hercules Engine Co Inc, Bosch Automotive Service Solutions, Brinkley Technology Group Llc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| HB527-040 | spx corporation | ring piston | RFQ |
| 3946 040 | hercules engine co inc | ring piston | RFQ |
| HB527-040 | bosch automotive service solutions | ring piston | RFQ |
| 3946A040 | brinkley technology group llc | ring piston | RFQ |
| 3946A040 | hercules engine co inc | ring piston | RFQ |
| 3946-040 | brinkley technology group llc | ring piston | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | STRAIGHT FACE,DOUBLE SCRAPER,VENTILATED OIL CONTROL |
| ACXD | RING STYLE | CONCENTRIC |
| ACXF | RADIAL WALL THICKNESS | 0.1760 INCHES MINIMUM AND 0.1860 INCHES MAXIMUM |
| ACXJ | OVERALL WIDTH | 0.1860 INCHES MINIMUM AND 0.1865 INCHES MAXIMUM |
| ACXZ | STANDARD BORE DIAMETER | 4.625 INCHES |
| ACYA | BORE DIAMETER OVERSIZE | 0.040 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 | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CHROMIUM OUTSIDE PERIPHERY |
| Relevant Components for NSN - 2805-00-391-3042, 2805003913042 | ||||
| 2815-00-587-2288 (2815005872288) | 2825-00-373-0629 (2825003730629) | 2805-01-253-0351 (2805012530351) | 2840-00-912-0730 (2840009120730) | |
| 2805-00-963-9712 (2805009639712) | 2840-01-085-4636 (2840010854636) | 2805-00-517-9907 (2805005179907) | 2835-00-654-6751 (2835006546751) | |
| 2840-01-500-4652 (2840015004652) | 2840-00-859-6803 (2840008596803) | 2835-01-013-4748 (2835010134748) | 2815-00-511-2612 (2815005112612) | |
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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