Model: 21241

Valve Seat

Special Features:

Two ears 0.750 in. Lg, 0.500 in.Thk, 0.500 in. Tall, 180 degrees apart

Properties:

Thread Class
2a single threaded portion
Thread Length
0.750 inches single threaded portion
Flange Diameter
6.875 inches
Body Inside Diameter
4.000 inches
Flange Seat To Disk End Height
0.094 inches
Under Flange Height
0.813 inches
Thready Qty Per Inch (tpi)
14 single threaded portion
Thread Size
6.500 inches single threaded portion
Seating Surface Shape
Flat
Material
Steel
Style Designator
Threaded flanged
Thread Series Designator
Uns single threaded portion
NSN
4820-00-116-9781
Part Number
21241
Description
Seat,valve
CAGE
35795

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.

Part 21241 NSN 4820-00-116-9781

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

Material Classification

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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

Freight Class: Parts of taps, cocks, valves and similar appliances, nesoi

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