Model: 272903R1

Internal Combustion Engine Piston

Properties:

Head Style
Flat
Overall Height
4.268 inches
Diameter
Between 5.717 inches and 5.719 inches
Pinhole Diameter
Between 1.3727 inches and 1.3733 inches
Surface Finish
Semifinished
Skirt Type
Solid
Skirt Bottom Cutaway Feature
Not included
Ring Groove Quantity
3
Ring Groove Width
0.0965 inches 3rd ring and 0.0975 inches 3rd ring
Ring Groove Width
0.0985 inches 2nd ring and 0.0995 inches 2nd ring
Ring Groove Width
0.1295 inches 1st ring and 0.1305 inches 1st ring
Ring Groove Diameter
5.164 inches 1st ring and 5.174 inches 1st ring
Ring Groove Diameter
5.182 inches 2nd ring and 5.202 inches 2nd ring
Ring Groove Diameter
5.182 inches 3rd ring and 5.202 inches 3rd ring
Oil Groove
Included
Distance From Pin Hole Center To Extreme Top
Between 2.343 inches and 2.353 inches
Pin Hole Bushing
Not included
Distance Between Pin Bosses
3.469 inches
Retaining Ring Groove
Included
Pin
Not included
Pin Type For Which Designed
Floating
Ring
Not included
Carbon Groove
Not included
Material
Aluminum alloy
Material
Aluminum alloy
Weight
77.9 ounces
NSN
2810-00-920-1043
Part Number
272903R1
Description
Piston,internal Combustion Engine
CAGE
00198

Part 272903R1 NSN 2810-00-920-1043

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:
A
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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