| Item Name | Ring Piston |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-413-1769 (004131769) |
| NCB Code | USA (00) |
| Manufacturer | Hamilton Sundstrand Corporation, Meggitt International Ltd |
| MRC | Criteria | Characteristic |
|---|---|---|
| ACXD | RING STYLE | CONCENTRIC |
| ACXF | RADIAL WALL THICKNESS | 0.1020 INCHES NOMINAL |
| ACXJ | OVERALL WIDTH | 0.0925 INCHES NOMINAL |
| ADTE | JOINT STYLE | STEP JOINT |
| MATT | MATERIAL | NICKEL ALLOY INSIDE PERIPHERY CARBON OUTSIDE PERIPHERY |
| ACXZ | STANDARD BORE DIAMETER | 2.220 INCHES |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, TWO PIECE, STRAIGHT FACE |
| Components Related to NSN - 4820-00-413-1769, 4820004131769 | ||||
| 4820-01-356-8840 (4820013568840) | 4820-01-143-9024 (4820011439024) | 4820-01-157-4248 (4820011574248) | 4820-01-127-1725 (4820011271725) | |
| 4820-00-006-5298 (4820000065298) | 4820-01-316-0099 (4820013160099) | 4810-01-258-6590 (4810012586590) | 4810-01-195-4212 (4810011954212) | |
| 4820-01-671-5782 (4820016715782) | 4820-01-435-0291 (4820014350291) | 4820-01-313-7304 (4820013137304) | 4820-01-691-9753 (4820016919753) | |
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