Model: 2618581

Valve Seat

Properties:

Flange Diameter
Between 0.372 inches and 0.373 inches
Body Outside Diameter
Between 0.372 inches and 0.373 inches
Body Inside Diameter
0.188 inches
Flange Seat To Disk End Height
Between 0.215 inches and 0.235 inches
Under Flange Height
Between 0.149 inches and 0.159 inches
Seal Accommodation Type
Grooved
Hardness Rating
58.0 rockwell c face and 60.0 rockwell c face
Hardness Rating
58.0 rockwell c body and 60.0 rockwell c body
Seating Surface Shape
Flat
Material
Steel comp 440c
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Style Designator
Plain flanged
NSN
4820-00-257-5196
Part Number
2618581
Description
Seat,valve
CAGE

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 2618581 NSN 4820-00-257-5196

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:
736
TCC:
Z
SHC:
9
ACC:
Engineer Supplies

Pricing & Availability Check

Submit this form for stock availability and pricing.
Part Number:
Quantity:
Email Address:
Phone Number:
Your Name:
Company:

How to Order  

Ordering from buyaircraftparts.com

If you would like to order this valve seat (NSN 4820-00-257-5196) please submit the pricing and availability form above to receive an up to date quote by email. If you agree to the pricing and terms you can e-sign your order online!

We are pleased to have the opportunity to serve you.

Have a Question

Hours: 08:00-18:00 Eastern Standard Time
Phone: +1 470-231-0824
Email: Contact Form »
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

Highest Rated Parts
Recently Purchased Parts
Hot Parts