Model: 78077A

Engine Valve Seat Insert

Properties:

Overall Height
Between 0.186 inches and 0.188 inches
Body Outside Diameter
Between 1.066 inches and 1.067 inches
Body Inside Diameter
Between 0.807 inches and 0.817 inches
Seat Angle In Deg
45.000
Hardness Rating
46.0 rockwell c and 54.0 rockwell c
Seating Surface Shape
Angular
Material
Steel
Style Designator
Plain
NSN
2805-00-173-2546
Part Number
78077A
Description
Insert,engine Valve Seat
CAGE
64104

A metal ring designed to provide a seating surface for a valve, poppet, engine it is made of special high-grade alloy metal that can withstand high operating temperatures. For fulid valves, see seat, valve.

Part 78077A NSN 2805-00-173-2546

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
42140
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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