Model: MC12548

Valve Seat

Special Features:

Two holes 0.100 in. Diameter thru

Properties:

Flange Diameter
Between 0.630 inches and 0.632 inches
Body Outside Diameter
0.530 inches
Flange Seat To Disk End Height
0.690 inches
Under Flange Height
0.255 inches
Seat Angle In Deg
90.000
Seating Surface Shape
Angular
Body Stepped Inside Diameter
0.190 inches second step
Body Stepped Inside Diameter
0.313 inches first step
Material
Aluminum alloy 2024
Material Specification
Qq-a-225, type2024-t351 federal specification single material response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625, type 2 military specification single treatment response
Style Designator
Plain flanged
NSN
4820-01-081-7872
Part Number
MC12548
Description
Seat,valve
CAGE
76050

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 MC12548 NSN 4820-01-081-7872

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

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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