AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Guide Valve Stem |
| 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) | 00-999-2297 (009992297) |
| NCB Code | USA (00) |
| Manufacturer | Ertel Mfg Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AATA | COUNTERSINK ANGLE IN DEG | 45.0 |
| ABHP | OVERALL LENGTH | 2.906 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 0.437 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| ABXV | BORE DIAMETER | 0.4360 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM |
| AETC | METALLIC HARDNESS RATING | 28.0 MINIMUM ROCKWELL C |
| AGQK | MAJOR DIAMETER LENGTH | 2.157 INCHES NOMINAL |
| BPNY | COUNTERSINK LENGTH | 0.030 INCHES MINIMUM |
| BPNY | COUNTERSINK LENGTH | 0.040 INCHES MAXIMUM |
| BQDC | BORE COUNTERSINK | INCLUDED |
| BQDD | COUNTERSINK LOCATION | BB END |
| BQSF | BORE COUNTERBORE | NOT INCLUDED |
| BQSJ | BB END SHANK DIAMETER | 0.665 INCHES MINIMUM AND 0.675 INCHES MAXIMUM |
| BQSK | BB END CHAMFER LENGTH | 0.015 INCHES NOMINAL |
| BQSL | BB END CHAMFER ANGLE IN DEG | 45.0 |
| BQSP | AA END RADIUS | 0.015 INCHES NOMINAL |
| BQSR | SHOULDER FIRST FILLET RADIUS | 0.031 INCHES NOMINAL |
| MATT | MATERIAL | STEEL |
| STYL | STYLE DESIGNATOR | PLAIN,SHOULDERED |
| Relevant Components for NSN - 2805-00-999-2297, 2805009992297 | ||||
| 2810-00-215-9725 (2810002159725) | 2810-01-442-8304 (2810014428304) | 2840-00-054-1352 (2840000541352) | 2825-00-147-5817 (2825001475817) | |
| 2840-00-936-0717 (2840009360717) | 2805-01-624-8047 (2805016248047) | 2840-01-680-0148 (2840016800148) | 2815-00-963-3563 (2815009633563) | |
| 2840-00-432-3057 (2840004323057) | 2815-01-609-8784 (2815016098784) | 2835-01-033-7276 (2835010337276) | 2840-01-686-5641 (2840016865641) | |
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