NSN 4820-01-256-9873
Valve Seat Insert
About this product
Inspection per mil-i-45208; shipment and storage per mil-std-129; clean per mil-std-767.
Manufacturer part number 803-4384536-4XXX-13(SPCLN) for national stock number 4820012569873.
Datasheet
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Product description
Valve Seat NSN 4820-01-256-9873.
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MPN or Model
803-4384536-4XXX-13(SPCLN)
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Schedule B
8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi) -
NMF (National Motor Freight)
051080 - Faucets, Bibcocks, Gates Valves -
Unit Weight (Est.)
0.1 lb -
Thread Class
3a single threaded portion -
Thread Length
0.172 inches single threaded portion -
Flange Diameter
Between 1.104 inches and 1.114 inches -
Body Inside Diameter
Between 1.105 inches and 1.113 inches -
Flange Seat To Disk End Height
0.229 mils and 0.239 centimeters -
Under Flange Height
Between 0.105 inches and 0.115 inches -
Seat Angle In Deg
45.000 -
Seal Accommodation Type
Grooved -
Thready Qty Per Inch (tpi)
20 single threaded portion -
Thread Size
1.188 inches single threaded portion -
Seating Surface Shape
Angular -
Criticality Code Justification
Zzzy -
Material
Nickel alloy -
Material Specification
Qq-n-288 federal specification single material response -
Style Designator
Threaded flanged -
Thread Series Designator
Un single threaded portion -
Reference Number Differentiating Characteristics
Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications
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Valve Seat
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.
Pricing and Availability
Get a quote for 4820-01-256-9873 valve seatManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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803-4384536-4XXX-13(SPCLN) | Naval Ship Systems Command |
Stock Check
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