AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Insert Engine Valve Seat |
| 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) | 00-423-3278 (004233278) |
| NCB Code | USA (00) |
| Manufacturer | Hollingsworth John R Co, Briggs And Stratton Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKW | OVERALL HEIGHT | 0.252 INCHES NOMINAL |
| ADAR | BODY OUTSIDE DIAMETER | 1.341 INCHES NOMINAL |
| ADAS | BODY INSIDE DIAMETER | 1.130 INCHES NOMINAL |
| AJSG | SEAT ANGLE IN DEG | 0.750 NOMINAL |
| CQFM | HARDNESS RATING | 50.0 ROCKWELL C MINIMUM BODY |
| CQFM | HARDNESS RATING | 55.0 ROCKWELL C MAXIMUM FACE |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| STYL | STYLE DESIGNATOR | PLAIN |
| Relevant Components for NSN - 2805-00-423-3278, 2805004233278 | ||||
| 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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