2815-00-517-9923, VALVE,POPPET,ENGINE

National Stock Number:
2815-00-517-9923

Federal Supply Class:
2815

National Item Identification Number:
005179923

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.

Manufacturer Information:

250533R2	92679	NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/
250533R4	31007	NAVISTAR INTL CORP
250533R4	92679	NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/
250533R5	0SAT8	KOMATSU AMERICA CORP.
250533R5	29510	KOMATSU AMERICAN INTL CO
250533R5	31007	NAVISTAR INTL CORP
250533R5	92679	NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/
S1960	59875	EATON CORP
S1960N	59875	EATON CORP

Techincal Specification:

MATERIAL AND LOCATION	STEEL, FED STD 66, AISI/SAE 3140 TIP
	STEEL, MS-201, TRW MECHANICAL PRODUCTS DIV HEAD
	STEEL, MS-201, TRW MECHANICAL PRODUCTS DIV STEM
METALLIC HARDNESS RATING AND LOCATION	27.0 ROCKWELL C MINIMUM HEAD
	27.0 ROCKWELL C MINIMUM STEM
	50.0 ROCKWELL C MINIMUM TIP
HEAD STYLE	MUSHROOM
HEAD HEIGHT	0.2400 INCHES MINIMUM AND
	0.2500 INCHES MAXIMUM
OUTSIDE DIAMETER	2.0900 INCHES MINIMUM AND
	2.1000 INCHES MAXIMUM
NECK RADIUS	0.8125 INCHES NOMINAL
SEAT ANGLE IN DEG	45.0
STEM STYLE	GROOVED
GROOVE DIAMETER	0.4220 INCHES MINIMUM AND
	0.4280 INCHES MAXIMUM
CHAMFER LENGTH	0.0200 INCHES NOMINAL
GROOVE WIDTH	0.1320 INCHES MINIMUM AND
	0.1420 INCHES MAXIMUM
STEM LENGTH	8.5370 INCHES MINIMUM AND
	8.5520 INCHES MAXIMUM
STEM DIAMETER	0.4940 INCHES MINIMUM AND
	0.4950 INCHES MAXIMUM
DISTANCE FROM GROOVE TO STEM END	0.3100 INCHES MINIMUM AND
	0.3150 INCHES MAXIMUM
CHAMFER ANGLE IN DEG	45.0
CARBON RELIEF GROOVE	INCLUDED
FSC APPLICATION DATA	DIESEL ENGINE

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