AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Tappet Engine Poppet Valve |
| 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) | 00-374-9443 (003749443) |
| NCB Code | USA (00) |
| Manufacturer | Stanadyne Chicago Div, Navistar Intl Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |
| AAWX | CONCENTRIC HOLE DEPTH | 1.709 INCHES MINIMUM AND 1.791 INCHES MAXIMUM |
| AAWY | COUNTERBORE DIAMETER | 0.843 INCHES NOMINAL |
| AAWZ | COUNTERBORE DEPTH | 1.496 INCHES MINIMUM AND 1.526 INCHES MAXIMUM |
| AAXC | CONCENTRIC HOLE DIAMETER | 0.688 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| ABHP | OVERALL LENGTH | 2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM |
| ALJP | SIZE DESIGNATION | STANDARD |
| ANNQ | MATERIAL AND LOCATION | IRON,CAST OVERALL |
| APCS | ADJUSTABILITY | NONADJUSTABLE |
| APHE | OPERATION METHOD | MECHANICAL |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 52.0 ROCKWELL C MINIMUM FACE |
| BRNM | CAM END DIAMETER | 0.996 INCHES MINIMUM AND 0.997 INCHES MAXIMUM |
| BRNW | BODY HOLE DIAMETER | 0.250 INCHES NOMINAL |
| BRNX | DISTANCE FROM BODY HOLE CENTER TO CAM END | 0.625 INCHES NOMINAL |
| STYL | STYLE DESIGNATOR | COUNTERBORED PUSH ROD END |
| Relevant Components for NSN - 2805-00-374-9443, 2805003749443 | ||||
| 2825-00-790-8901 (2825007908901) | 2825-01-010-8535 (2825010108535) | 2825-00-371-7811 (2825003717811) | 2805-01-264-5598 (2805012645598) | |
| 2840-01-375-6452 (2840013756452) | 2805-01-130-2594 (2805011302594) | 2835-01-234-6845 (2835012346845) | 2805-01-714-1073 (2805017141073) | |
| 2840-00-837-2120 (2840008372120) | 2840-01-708-1715 (2840017081715) | 2840-01-200-9553 (2840012009553) | 2805-00-710-5355 (2805007105355) | |
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