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National Stock Number:
2810-00-808-4352
Federal Supply Class:
2810
National Item Identification Number:
008084352
Description:
VALVE,POPPET,ENGINE
Detail:
A mushroom or tulip-shaped item having a circular head with a conical face and an extended stem used to regulate the flow of incoming fuel-air mixture or air into the combustion chamber or exhaust gases from the combustion chamber of a reciprocating internal combustion engine.
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Manufacturer Information:
| 229297 | 00198 | PRATT & WHITNEY CANADA CORP | | 229297 | 77445 | RTX CORPORATION | | 331107 | 00198 | PRATT & WHITNEY CANADA CORP | | 331107 | 77445 | RTX CORPORATION | | 331108 | 00198 | PRATT & WHITNEY CANADA CORP | | 331108 | 77445 | RTX CORPORATION |
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Techincal Specification:
| DISTANCE FROM GROOVE TO STEM END | 0.2280 INCHES NOMINAL | | CARBON RELIEF GROOVE | NOT INCLUDED | | FSC APPLICATION DATA | ENGINE,AIRCRAFT,RECIPROCATING | | GROOVE DIAMETER | 0.5680 INCHES NOMINAL | | GROOVE WIDTH | 0.1875 INCHES NOMINAL | | HEAD HEIGHT | 0.2900 INCHES NOMINAL | | HEAD STYLE | MUSHROOM | | OUTSIDE DIAMETER | 2.5830 INCHES NOMINAL | | MATERIAL AND LOCATION | NICKEL ALLOY PWA 678 77445 OVERALL | | METALLIC HARDNESS RATING AND LOCATION | 350.0 VICKERS OR FIRTH DIAMOND PYRAMID NOMINAL STEM | | METALLIC HARDNESS RATING AND LOCATION | 69.0 ROCKWELL SUPERFICIAL 30-N NOMINAL TIP | | NECK RADIUS | 0.7000 INCHES NOMINAL | | SEAT ANGLE IN DEG | 45.0 | | STEM DIAMETER | 0.6815 INCHES NOMINAL | | STEM LENGTH | 5.6460 INCHES NOMINAL | | STEM STYLE | GROOVED |
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