Model: FM7521D

Valve Seat

Properties:

Thread Length
0.531 inches single threaded portion
Flange Diameter
2.656 inches
Body Inside Diameter
Between 1.375 inches and 2.094 inches
Flange Seat To Disk End Height
0.250 inches
Under Flange Height
0.781 inches
Thready Qty Per Inch (tpi)
16 single threaded portion
Thread Size
2.500 inches single threaded portion
Seating Surface Shape
Flat
Material
Steel body
Material Specification
Stainless forging 410 mfr ref single material response body
Style Designator
Faucet
Thread Series Designator
Un single threaded portion
NSN
4820-00-074-5220
Part Number
FM7521D
Description
Seat,valve
CAGE
55819

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 FM7521D NSN 4820-00-074-5220

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:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.9000lbs
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:
025700
UFC:
12190
LTL:
65.0
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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