| Item Name | Valve,Poppet,Engine |
| Federal Supply Group (FSG) | Engines Turbines and Components |
| Federal Supply Class (FSC) | 2815 Diesel Engines and Components |
| National Item Identification Number (NIIN) | 00-393-5586 (003935586) |
| NCB Code | USA (00) |
| Manufacturer | Norfolk Naval Shipyard |
| MRC | Criteria | Characteristic |
|---|---|---|
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 49.0 ROCKWELL C MINIMUM TIP |
| AASK | HEAD STYLE | FLAT |
| AASU | HEAD HEIGHT | 0.1310 INCHES MINIMUM AND 0.1410 INCHES MAXIMUM |
| AATE | CHAMFER ANGLE IN DEG | 30.0 |
| AAVZ | GROOVE DIAMETER | 0.3390 INCHES MINIMUM AND 0.3550 INCHES MAXIMUM |
| AAZP | CHAMFER LENGTH | 0.0156 INCHES NOMINAL |
| ABGF | GROOVE WIDTH | 0.3125 INCHES NOMINAL |
| ABGK | TAPER ANGLE IN DEG | 30.0 |
| ABKV | OUTSIDE DIAMETER | 1.4420 INCHES MINIMUM AND 1.4460 INCHES MAXIMUM |
| ADNA | MINOR OUTSIDE DIAMETER | 0.3030 INCHES MINIMUM AND 0.3090 INCHES MAXIMUM |
| AGRA | MINOR DIAMETER LENGTH | 0.3120 INCHES NOMINAL |
| AJFY | SEAT ANGLE IN DEG | 45.0 |
| ALYX | STEM STYLE | TAPERED AND GROOVED |
| ALYZ | CARBON RELIEF GROOVE | NOT INCLUDED |
| ALZB | NECK RADIUS | 0.2500 INCHES NOMINAL |
| ALZD | STEM LENGTH | 6.4220 INCHES MINIMUM AND 6.4270 INCHES MAXIMUM |
| ALZE | STEM DIAMETER | 0.3720 INCHES MINIMUM AND 0.3725 INCHES MAXIMUM |
| ALZF | DISTANCE FROM MINOR DIAMETER TO STEM END | 0.2344 INCHES NOMINAL |
| ALZG | DISTANCE FROM GROOVE TO STEM END | 0.8125 INCHES NOMINAL |
| ANNQ | MATERIAL AND LOCATION | STEEL,FED STD 66,SAE EV1 OVERALL |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 37.0 ROCKWELL C MINIMUM HEAD |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 37.0 ROCKWELL C MINIMUM STEM |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 41.0 ROCKWELL C MAXIMUM HEAD |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 41.0 ROCKWELL C MAXIMUM STEM ERR-100 |
| Components Related to NSN - 2815-00-393-5586, 2815003935586 | ||||
| 2840-01-310-2614 (2840013102614) | 2840-01-070-6160 (2840010706160) | 2815-01-180-0706 (2815011800706) | 2840-01-622-8043 (2840016228043) | |
| 2840-01-036-7121 (2840010367121) | 2825-00-025-9834 (2825000259834) | 2840-00-082-3362 (2840000823362) | 2815-00-732-8383 (2815007328383) | |
| 2810-00-310-5561 (2810003105561) | 2825-00-446-4711 (2825004464711) | 2840-01-595-3258 (2840015953258) | 2840-01-322-4573 (2840013224573) | |
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