Product Details | VALVE SEAT

4820-00-659-9986 A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.20248100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: 1670499, 4820-00-659-9986, 00-659-9986, 4820006599986, 006599986

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-659-9986

Drawings & Photos | NSN 4820-00-659-9986


Cross Reference | NSN 4820-00-659-9986

Part Number Cage Code Manufacturer
1670499 12204 DAIMLER CHRYSLER

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Technical Data | NSN 4820-00-659-9986

Characteristic Specifications
STYLE DESIGNATOR B6 PLAIN
OVERALL HEIGHT 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
BODY OUTSIDE DIAMETER 1.639 INCHES MINIMUM AND 1.640 INCHES MAXIMUM
BODY INSIDE DIAMETER 1.369 INCHES MINIMUM AND 1.379 INCHES MAXIMUM
MATERIAL STEEL OVERALL
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG 0.750 NOMINAL
MANUFACTURERS CODE 12204
DESIGN CONTROL REFERENCE 1670499

Restrictions/Controls & Freight Information | NSN 4820-00-659-9986

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information