Product Details | VALVE SEAT

4820-01-553-5400 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: 178462, 4820-01-553-5400, 01-553-5400, 4820015535400, 015535400

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 18 JUL 2007 01-553-5400

Cross Reference | NSN 4820-01-553-5400

Part Number Cage Code Manufacturer
178462 99657 MAROTTA CONTROLS, INC.

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Technical Data | NSN 4820-01-553-5400

Characteristic Specifications
MATERIAL PLASTIC POLYAMIDE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-M-20693 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SEAL ACCOMMODATION TYPE GROOVED
SPECIAL FEATURES USED ON 4820013341729

Restrictions/Controls & Freight Information | NSN 4820-01-553-5400

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.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information