Model: A7454.002.128

Valve Seat

Properties:

Thread Class
2a single threaded portion
Thread Length
2.375 inches single threaded portion
Overall Height
2.750 inches
Body Inside Diameter
2.500 inches
Seat Angle In Deg
45.000
Thready Qty Per Inch (tpi)
14 single threaded portion
Thread Size
3.250 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
B5 plain threaded
Thread Series Designator
Uns 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
NSN
4820-01-195-2665
Part Number
A7454.002.128
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 A7454.002.128 NSN 4820-01-195-2665

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:
A
ESD:
ESD:
MMAC:
CRITL:
C

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
4.5 X 4.5 X 4.0
Paclk Weight:
2.5000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
99
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
60.0
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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