Product Details | VALVE SEAT

4820-00-404-5359 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: 8756, 4820-00-404-5359, 00-404-5359, 4820004045359, 004045359

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 15 AUG 1969 00-404-5359

Cross Reference | NSN 4820-00-404-5359

Part Number Cage Code Manufacturer
8756 00021 BENBOW MFG CORP

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Technical Data | NSN 4820-00-404-5359

Characteristic Specifications
FLANGE DIAMETER 0.748 INCHES MINIMUM AND 0.749 INCHES MAXIMUM
BODY OUTSIDE DIAMETER 0.561 INCHES MINIMUM AND 0.563 INCHES MAXIMUM
BODY INSIDE DIAMETER 0.343 INCHES MINIMUM AND 0.344 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT 0.096 INCHES MINIMUM AND 0.102 INCHES MAXIMUM
UNDER FLANGE HEIGHT 0.332 INCHES MINIMUM AND 0.344 INCHES MAXIMUM
MATERIAL ALUMINUM ALLOY 2024 OVERALL
SURFACE TREATMENT ALUMINUM OVERALL
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG 30.000 NOMINAL
MANUFACTURERS CODE 00021
DESIGN CONTROL REFERENCE 8756

Restrictions/Controls & Freight Information | NSN 4820-00-404-5359

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
NMF Description 095190 HARDWARE, NOI
Less than car load rating Q 70
Less than truck load rating W Rating Variable
Water commodity Code 713 unknown
Originating Activity Code SX Oklahoma City Air Logistics Center
Tinker AFB, OK 73145-3043
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity
Air Special Handling Z No special handling required.
Special Handling Code Z unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable