Model: 81521

Internal Combustion Engine Piston
Description:

Flat head style, 3.145 inches overall height, 3.122 inches diameter, finished surface finish, aluminum alloy material, aluminum alloy material.

Properties:

Head Style
Flat
Overall Height
3.145 inches
Diameter
3.122 inches
Oil Passage Type
Hole
Pinhole Diameter
0.9380 inches
Surface Finish
Finished
Finished Size Designation
Standard
Skirt Type
Solid
Skirt Bottom Cutaway Feature
Not included
Ring Groove Quantity
5
Ring Groove Width
0.0800 inches and 0.0650 inches and 0.0650 inches and 0.1875 inches and 0.1875 inches
Ring Groove Diameter
2.830 inches and 2.830 inches and 2.830 inches and 2.812 inches and 2.812 inches
Ring Groove Position Below Piston Pin
Number 5 ring grooves located below pin bosses
Ring Groove Position Below Piston Pin
Number 1, number 2, number 3, number 4, and number 5 all rings
Oil Groove
Not included
Distance From Pin Hole Center To Extreme Top
1.801 inches
Pin Hole Bushing
Not included
Distance Between Pin Bosses
1.062 inches
Retaining Ring Groove
Included
Pin
Included
Pin Type For Which Designed
Floating
Ring
Not included
Carbon Groove
Not included
Material
Aluminum alloy
Material
Aluminum alloy
Weight
18.0 ounces
NSN
2815-00-023-5126
Part Number
81521
Description
Piston,internal Combustion Engine
CAGE
13446

Part 81521 NSN 2815-00-023-5126

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:
TG
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
5.0 X 5.0 X 5.0
Paclk Weight:
1.6000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
133300
UFC:
63220
LTL:
RATING VARIABLE
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Phone: +1 470-231-0824
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Schedule B and Export
  • Schedule B: 8409998000
  • SITC: 71392
  • End Use: Industrial engines
  • NAICS: 333618
  • USDA: 1

Freight Class: Parts for compression-ignition internal combustion piston engines (diesel), nesoi

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