AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Lock Valve Spring Retainer |
| 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) | 00-428-3544 (004283544) |
| NCB Code | USA (00) |
| Manufacturer | Hancox Ltd, Curtis Dyna Fog Ltd, Eaton Aerospace Ltd, Kohler Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |
| ABKW | OVERALL HEIGHT | 0.372 INCHES MINIMUM AND 0.379 INCHES MAXIMUM |
| AFEW | THREAD PROVISION | UNTHREADED |
| AGRU | LARGEST INSIDE DIAMETER | 0.308 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| AGWM | LARGEST OUTSIDE DIAMETER | 0.468 INCHES MINIMUM AND 0.472 INCHES MAXIMUM |
| ALZQ | FIRST GROOVE WIDTH | 0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM |
| ALZR | SECOND GROOVE WIDTH | 0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM |
| BKKZ | MINIMUM INSIDE DIAMETER | 0.284 INCHES |
| BRPR | DISTANCE BETWEEN FIRST AND SECOND RIDGE CENTERS | 0.106 INCHES MINIMUM AND 0.115 INCHES MAXIMUM |
| BRPS | DISTANCE BETWEEN FIRST AND SECOND GROOVE CENTERS | 0.106 INCHES MINIMUM AND 0.115 INCHES MAXIMUM |
| BRPX | DISTANCE FROM BOTTOM TO FIRST RIDGE CENTER | 0.1280 INCHES MINIMUM AND 0.1365 INCHES MAXIMUM |
| BRPY | DISTANCE FROM BOTTOM TO FIRST GROOVE CENTER | 0.128 INCHES MINIMUM AND 0.136 INCHES MAXIMUM |
| BRQJ | OUTSIDE INCLUDED ANGLE IN DEG | 14.250 |
| MATT | MATERIAL | STEEL |
| STYL | STYLE DESIGNATOR | STRAIGHT BORE W/TWO GROOVES-LOWER OUTSIDE RADIUS |
| ZZZV | FSC APPLICATION DATA | VALVES GROUP,GASOLINE ENGINE,NONAIRCRAFT |
| Relevant Components for NSN - 2805-00-428-3544, 2805004283544 | ||||
| 2805-00-164-1620 (2805001641620) | 2815-01-207-9726 (2815012079726) | 2825-00-377-3256 (2825003773256) | 2805-01-195-3494 (2805011953494) | |
| 2840-00-966-8075 (2840009668075) | 2840-01-467-5221 (2840014675221) | 2815-99-534-5610 (2815995345610) | 2840-01-657-1001 (2840016571001) | |
| 2840-00-869-7004 (2840008697004) | 2840-01-414-6654 (2840014146654) | 2840-00-704-1319 (2840007041319) | 2840-00-869-9397 (2840008699397) | |
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