Model: 1688PX

Internal Combustion Engine Piston

Properties:

Head Style
Flat
Overall Height
Between 4.724 inches and 4.754 inches
Diameter
3.777 inches
Oil Passage Type
Slot
Pinhole Diameter
Between 0.9896 inches and 0.9898 inches
Surface Finish
Finished
Finished Size Designation
Standard
Skirt Type
Semisplit
Skirt Bottom Cutaway Feature
Not included
Ring Groove Quantity
4
Ring Groove Position
Number 1, number 2, number 3, and number 4
Ring Groove Width
0.1255 inches
Ring Groove Width
0.1265 inches
Ring Groove Width
0.1880 inches
Ring Groove Width
0.1895 inches
Ring Groove Diameter
3.408 inches
Ring Groove Diameter
3.418 inches
Ring Groove Diameter
3.368 inches
Ring Groove Diameter
3.378 inches
Oil Groove
Not included
Distance From Pin Hole Center To Extreme Top
Between 2.887 inches and 2.903 inches
Pin Hole Bushing
Not included
Distance Between Pin Bosses
1.500 inches
Retaining Ring Groove
Included
Pin
Included
Pin Type For Which Designed
Floating
Ring
Not included
Carbon Groove
Not included
Skirt Slot Style
Base to groove slot
Material
Aluminum
Material
Aluminum
Surface Treatment
Tin
Surface Treatment
Tin plated
Weight
29.1 ounces
Fsc Application Data
Gasoline engine, nonaircraft
NSN
2805-00-753-8294
Part Number
1688PX
Description
Piston,internal Combustion Engine
CAGE
53781

Part 1688PX NSN 2805-00-753-8294

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:
85.0
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8409918000
  • SITC: 71391
  • End Use: Industrial engines
  • NAICS: 333618
  • USDA: 1

Freight Class: Parts for spark-ignition internal combustion piston engines, nesoi

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