Model: 63821

Valve Seat

Special Features:

Two bolt holes drilled 0.219 in. Dia, 2.063 in. Bolt hole circle

Properties:

Thread Class
2a single threaded portion
Thread Length
0.344 inches single threaded portion
Overall Height
2.557 inches
Body Inside Diameter
1.437 inches
Seal Accommodation Type
Grooved
Thready Qty Per Inch (tpi)
20 single threaded portion
Thread Size
2.500 inches single threaded portion
Seating Surface Shape
Flat
Material
Copper alloy
Style Designator
B5 plain threaded
Style Designator
Plain threaded
Thread Series Designator
Un single threaded portion
NSN
4820-00-115-2446
Part Number
63821
Description
Seat,valve
CAGE
20266

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 63821 NSN 4820-00-115-2446

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.7000lbs
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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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