Model: 23521

Internal Combustion Engine Piston

Properties:

Head Style
Concave
Overall Height
4.143 inches
Diameter
5.728 inches
Oil Passage Type
Hole
Pinhole Diameter
1.3730 inches
Surface Finish
Finished
Finished Size Designation
Standard
Skirt Type
Solid
Skirt Bottom Cutaway Feature
Not included
Ring Groove Quantity
5
Ring Groove Position
Number 1, number 2, number 3, number 4, number 5
Ring Groove Width
0.1330 inches and 0.1310 inches and 0.1290 inches and 0.2210 inches and 0.1270 inches
Ring Groove Diameter
5.207 inches
Ring Groove Diameter
5.292 inches
Ring Groove Diameter
5.327 inches
Ring Groove Diameter
5.207 inches 4th ring
Ring Groove Diameter
5.327 inches 5th ring
Ring Groove Diameter
5.292 inches 1st ring
Ring Groove Diameter
5.292 inches 2nd ring
Ring Groove Diameter
5.292 inches 3rd ring
Ring Groove Position Below Piston Pin
Number 5 ring groove located below piston pin bosses
Ring Groove Position Below Piston Pin
Number 1, number 2, number 3, number 4, number 5 all rings
Oil Groove
Not included
Distance From Pin Hole Center To Extreme Top
2.706 inches
Pin Hole Bushing
Not included
Distance Between Pin Bosses
2.313 inches
Retaining Ring Groove
Not included
Pin
Not included
Pin Type For Which Designed
Floating
Ring
Not included
Carbon Groove
Not included
Material
Aluminum
Material
Aluminum
Weight
71.0 ounces
Fsc Application Data
Aircraft eng r1340
NSN
2810-00-118-9025
Part Number
23521
Description
Piston,internal Combustion Engine
CAGE
00198

Part 23521 NSN 2810-00-118-9025

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16509
FIIG:
T267-C
Concept No.:
1
App. Key:
CA
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:
133300
UFC:
63220
LTL:
RATING VARIABLE
LCL:
--
WCC:
593
TCC:
Z
SHC:
Z
ACC:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 8409100080
  • SITC: 71319
  • End Use: Engines and turbines for military aircraft
  • NAICS: 336412
  • USDA: 1

Freight Class: Parts for spark-ignition or compression-ignition internal combustion piston engines for use in aircraft except civil

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