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) | 2810 Gasoline Reciprocating Engines Aircraft Prime Mover and Components |
| National Item Identification Number (NIIN) | 00-277-3856 (002773856) |
| NCB Code | USA (00) |
| Manufacturer | United Technologies Corporation, Pratt And Whitney Canada Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 105740P005 | united technologies corporation | ring piston | RFQ |
| 105749P5 | united technologies corporation | ring piston | RFQ |
| 105749P5 | pratt and whitney canada inc | ring piston | RFQ |
| 105740P005 | pratt and whitney canada inc | ring piston | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR,STRAIGHT FACE |
| ACXD | RING STYLE | CONCENTRIC |
| ACXF | RADIAL WALL THICKNESS | 0.1900 INCHES MINIMUM AND 0.2000 INCHES MAXIMUM |
| ACXJ | OVERALL WIDTH | 0.1240 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM |
| ACXZ | STANDARD BORE DIAMETER | 5.812 INCHES |
| ACYA | BORE DIAMETER OVERSIZE | 0.005 INCHES |
| ADTE | JOINT STYLE | STEP JOINT |
| MATT | MATERIAL | COPPER ALLOY 928 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 7320B ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | SILVER OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2412 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| ZZZV | FSC APPLICATION DATA | ACFT ENG R2800 |
| Relevant Components for NSN - 2810-00-277-3856, 2810002773856 | ||||
| 2840-01-358-6667 (2840013586667) | 2825-00-059-6804 (2825000596804) | 2840-01-536-5084 (2840015365084) | 2825-00-218-6025 (2825002186025) | |
| 2835-00-070-3789 (2835000703789) | 2815-01-513-0449 (2815015130449) | 2815-00-097-1842 (2815000971842) | 2840-00-406-8327 (2840004068327) | |
| 2840-01-489-1389 (2840014891389) | 2825-00-524-0790 (2825005240790) | 2825-00-271-9631 (2825002719631) | 2835-01-078-2054 (2835010782054) | |
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