AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Ring Piston |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3040 Miscellaneous Power Transmission Equipment |
| National Item Identification Number (NIIN) | 00-323-8912 (003238912) |
| NCB Code | USA (00) |
| Manufacturer | Marvin Engineering Co Inc, Precision Rings Incorporated, Aviation Manufacturing Group Llc, Double Seal Ring Co, Franklin Paint Company Inc, Boeing Company The |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| ST7M342-8 | marvin engineering co inc | ring piston | RFQ |
| J3-8007 | precision rings incorporated | ring piston | RFQ |
| FR84-8 | aviation manufacturing group llc | ring piston | RFQ |
| DS8015-8 | double seal ring co | ring piston | RFQ |
| FR84-8 | franklin paint company inc | ring piston | RFQ |
| ST7M342-8 | boeing company the | ring piston | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR,STRAIGHT FACE |
| ACXD | RING STYLE | CONCENTRIC |
| ACXF | RADIAL WALL THICKNESS | 0.0400 INCHES MINIMUM AND 0.0500 INCHES MAXIMUM |
| ACXJ | OVERALL WIDTH | 0.0440 INCHES MINIMUM AND 0.0450 INCHES MAXIMUM |
| ACXZ | STANDARD BORE DIAMETER | 0.625 INCHES |
| ADTE | JOINT STYLE | VERTICAL JOINT |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| Relevant Components for NSN - 3040-00-323-8912, 3040003238912 | ||||
| 3040-99-750-9441 (3040997509441) | 3040-01-309-9880 (3040013099880) | 3020-00-056-1680 (3020000561680) | 3040-01-592-1774 (3040015921774) | |
| 3040-01-340-6053 (3040013406053) | 3040-01-424-7637 (3040014247637) | 3020-00-762-8849 (3020007628849) | 3040-01-411-4890 (3040014114890) | |
| 3020-01-163-7221 (3020011637221) | 3030-00-041-2888 (3030000412888) | 3030-00-421-7151 (3030004217151) | 3040-01-256-3453 (3040012563453) | |
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