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) | 01-046-4039 (010464039) |
| NCB Code | USA (01) |
| Manufacturer | Precision Rings Incorporated, Army United States Department Of The |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR,STRAIGHT FACE |
| ACXD | RING STYLE | CONCENTRIC |
| ACXF | RADIAL WALL THICKNESS | 0.1250 INCHES NOMINAL |
| ACXJ | OVERALL WIDTH | 0.0930 INCHES NOMINAL |
| ACXZ | STANDARD BORE DIAMETER | 2.758 INCHES |
| ADTE | JOINT STYLE | INTERLOCKING JOINT |
| MATT | MATERIAL | COPPER ALLOY 612-CANCELED OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-450 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Relevant Components for NSN - 2805-01-046-4039, 2805010464039 | ||||
| 2840-00-915-9847 (2840009159847) | 2805-00-008-2915 (2805000082915) | 2835-01-068-6525 (2835010686525) | 2840-01-673-4607 (2840016734607) | |
| 2840-01-544-9568 (2840015449568) | 2805-01-536-0205 (2805015360205) | 2835-00-611-4520 (2835006114520) | 2840-00-156-9366 (2840001569366) | |
| 2810-00-335-7852 (2810003357852) | 2825-00-446-6563 (2825004466563) | 2840-00-931-4767 (2840009314767) | 2835-01-571-6902 (2835015716902) | |
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