Model: 975-7128

Valve Seat

Properties:

Flange Diameter
Between 0.434 inches and 0.436 inches
Overall Height
0.250 inches
Body Outside Diameter
Between 0.248 inches and 0.252 inches
Flange Seat To Disk End Height
Between 0.095 inches and 0.105 inches
Under Flange Height
Between 0.145 inches and 0.155 inches
Seat Angle In Deg
90.000
Hardness Rating
58.0 rockwell c and 60.0 rockwell c
Seating Surface Shape
Angular
Body Stepped Inside Diameter
0.124 inches first step and 0.126 inches first step
Body Stepped Inside Diameter
0.250 inches second step
Material
Stainless steel
Material Specification
Qq-s-763, class 440c federal specification single material response
Surface Treatment
Passivate
Style Designator
Plain
NSN
4820-00-975-7128
Part Number
975-7128
Description
Seat,valve
CAGE
59155

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 975-7128 NSN 4820-00-975-7128

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:
GA
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
1.0 X 1.0 X 1.0
Paclk Weight:
0.1000lbs
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:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
60.0
WCC:
576
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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