20027-3

Valve Seat

NSN 4820-00-036-2166

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
000362166

Product Features

Two lugs on top of flange, 0.375 in.W, 0.219 in. H

Technical Specifications of NSN

Thread Class:
3a single threaded portion
Thread Length:
0.250 inches single threaded portion
Flange Diameter:
Between 1.092 inches and 1.093 inches
Body Inside Diameter:
Between 0.548 inches and 0.719 inches
Flange Seat To Disk End Height:
Between 0.155 inches and 0.156 inches
Under Flange Height:
0.250 inches
Seat Angle In Deg:
60.000
Thread Size:
0.906 inches single threaded portion
Seating Surface Shape:
Angular
Material:
Steel
Material Specification:
66, aisi 304/sae 30304 federal standard single material response
Style Designator:
Threaded flanged
Thread Series Designator:
Unef single threaded portion
NSN:
4820-00-036-2166
Item Name:
Seat,ball Valve
Cage Code:
38683

Other Related Parts

No other part numbers with same form, fit, and function found.

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22113
FIIG:
A15500
Concept No.:
App. Key:
A
Cond. Code:
2
Status:
A

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

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Definition Definition of approved item name (AIN): "Ball 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.

Import / Export
  • Schedule B: 8481909090
  • SITC: 74790
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Classification: Parts of taps, cocks, valves and similar appliances, nesoi


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