Model: NF-7054 PC 633

Valve Seat

Properties:

Thread Class
3a single threaded portion
Thread Length
0.337 inches single threaded portion and 0.342 inches single threaded portion
Flange Diameter
Between 1.061 inches and 1.062 inches
Body Inside Diameter
0.250 inches
Flange Seat To Disk End Height
Between 0.470 inches and 0.475 inches
Under Flange Height
Between 0.337 inches and 0.342 inches
Seat Angle In Deg
7.500
Hardness Rating
28.0 rockwell c body and 34.0 rockwell c body
Hardness Rating
28.0 rockwell c face and 34.0 rockwell c face
Thread Size
0.625 inches single threaded portion
Seating Surface Shape
Angular
Material
Steel
Material Specification
Qq-s-763, class 420 federal specification single material response
Style Designator
Threaded flanged
Thread Series Designator
Unf single threaded portion
NSN
4820-00-976-4736
Part Number
NF-7054 PC 633
Description
Seat,valve
CAGE
30794

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 NF-7054 PC 633 NSN 4820-00-976-4736

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
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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