Model: A7447-002-128

Valve Seat

Special Features:

Two 0.375 in. W 0.344 in. H lugs spaced 180 degrees apart 0.031 in. From seat bottom

Properties:

Thread Class
2a single threaded portion
Overall Height
2.375 inches
Thready Qty Per Inch (tpi)
14 single threaded portion
Thread Size
2.625 inches single threaded portion
Seating Surface Shape
Flat
Body Stepped Inside Diameter
1.375 inches first step
Body Stepped Inside Diameter
2.000 inches second step and 2.010 inches second step
Body Stepped Inside Diameter
2.438 inches third step
Material
Copper alloy or stainless steel
Material Specification
Astm b-61 assn standard 1st material response or mil-s-867, class 1 military specification 2nd material response
Style Designator
Plain threaded
Thread Series Designator
Uns single threaded portion
NSN
4820-01-034-1722
Part Number
A7447-002-128
Description
Seat,valve
CAGE
01343

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 A7447-002-128 NSN 4820-01-034-1722

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:
1.6000lbs
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:
127220
UFC:
64490
LTL:
77.5
LCL:
--
WCC:
594
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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