| Item Name | Ring Piston |
| Federal Supply Group (FSG) | Engines Turbines and Components |
| Federal Supply Class (FSC) | 2815 Diesel Engines and Components |
| National Item Identification Number (NIIN) | 00-454-7957 (004547957) |
| NCB Code | USA (00) |
| Manufacturer | Dresser Industries Inc, Engine And Equipment Products Co, Military Specifications |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | PLAIN KEYSTONE,STRAIGHT RADII FACE |
| ACXD | RING STYLE | CONCENTRIC |
| ACXF | RADIAL WALL THICKNESS | 0.1620 INCHES MINIMUM AND 0.1720 INCHES MAXIMUM |
| ACXJ | OVERALL WIDTH | 0.1185 INCHES MINIMUM AND 0.1195 INCHES MAXIMUM |
| ACXZ | STANDARD BORE DIAMETER | 4.000 INCHES |
| ADTE | JOINT STYLE | VERTICAL JOINT |
| FEAT | SPECIAL FEATURES | MOLY PLATED 0.097 IN. WIDE,CENTERED ON OUTSIDE PERIPHERY SURFACE |
| MATT | MATERIAL | IRON OVERALL |
| SFTT | SURFACE TREATMENT | PHOSPHATE OVERALL |
| Components Related to NSN - 2815-00-454-7957, 2815004547957 | ||||
| 2815-22-269-0293 (2815222690293) | 2840-01-187-8258 (2840011878258) | 2805-00-277-2964 (2805002772964) | 2825-00-317-4331 (2825003174331) | |
| 2835-01-558-2245 (2835015582245) | 2840-00-740-5443 (2840007405443) | 2840-01-050-2977 (2840010502977) | 2835-00-339-3843 (2835003393843) | |
| 2840-01-411-1298 (2840014111298) | 2805-00-354-0959 (2805003540959) | 2825-00-066-6023 (2825000666023) | 2840-01-618-6714 (2840016186714) | |
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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