Model: 71553-78X2PC2Q3

Valve Seat

Properties:

Overall Height
1.750 inches
Body Outside Diameter
Between 18.948 inches and 18.958 inches
Body Inside Diameter
Between 14.809 inches and 14.817 inches
Seat Angle In Deg
30.000
Seating Surface Shape
Angular
Criticality Code Justification
Zzzy
Material
Plastic
Material Specification
Mc903 mfr ref single material response
Style Designator
Plain
Reference Number Differentiating Characteristics
Item that supports a level 1 or subsafe critical system that has undergone quality assurance during the acquisition process
NSN
4820-00-435-0502
Part Number
71553-78X2PC2Q3
Description
Seat,valve
CAGE
03950

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 71553-78X2PC2Q3 NSN 4820-00-435-0502

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:
S

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
25.0 X 25.0 X 8.0
Paclk Weight:
70.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
24
LVL_A:
E
LVL_B:
F

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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