AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Valve Poppet Engine |
| 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) | 00-429-4315 (004294315) |
| NCB Code | USA (00) |
| Manufacturer | Dresser Industries Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | HEAD STYLE | FLAT |
| AASU | HEAD HEIGHT | 0.1875 INCHES NOMINAL |
| AATE | CHAMFER ANGLE IN DEG | 45.0 |
| AAZP | CHAMFER LENGTH | 0.0312 INCHES NOMINAL |
| ABGK | TAPER ANGLE IN DEG | 15.0 |
| ABKV | OUTSIDE DIAMETER | 1.6875 INCHES MINIMUM AND 1.7025 INCHES MAXIMUM |
| ADNA | MINOR OUTSIDE DIAMETER | 0.2450 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM |
| AGRA | MINOR DIAMETER LENGTH | 0.1875 INCHES NOMINAL |
| AJFY | SEAT ANGLE IN DEG | 44.5 |
| ALYX | STEM STYLE | TAPERED |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| ALZB | NECK RADIUS | 0.3750 INCHES NOMINAL |
| ALZD | STEM LENGTH | 4.9844 INCHES NOMINAL |
| ALZE | STEM DIAMETER | 0.3715 INCHES MINIMUM AND 0.3725 INCHES MAXIMUM |
| ALZF | DISTANCE FROM MINOR DIAMETER TO STEM END | 0.2190 INCHES MINIMUM AND 0.2210 INCHES MAXIMUM |
| ANNQ | MATERIAL AND LOCATION | STEEL SAE 3140 OR SAE 8645 STEM |
| ANNQ | MATERIAL AND LOCATION | STEEL,FED STD 66,SAE EV3 HEAD |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 46.0 ROCKWELL C MINIMUM TIP ERR-100 |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 52.0 ROCKWELL C MAXIMUM TIP |
| ZZZV | FSC APPLICATION DATA | GASOLINE ENGINE |
| Relevant Components for NSN - 2805-00-429-4315, 2805004294315 | ||||
| 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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