Model: 21139AS

Internal Combustion Engine Piston

Properties:

Head Style
Hump
Overall Height
4.000 inches
Diameter
4.250 inches
Pinhole Diameter
1.3125 inches
Surface Finish
Finished
Finished Size Designation
Standard
Skirt Type
Solid
Skirt Bottom Cutaway Feature
Not included
Ring Groove Quantity
3
Ring Groove Width
0.0975 inches 1st ring
Ring Groove Width
0.1275 inches 2nd ring
Ring Groove Width
0.2515 inches 3rd ring
Ring Groove Diameter
3.775 inches 1st ring
Ring Groove Diameter
3.805 inches 3rd ring
Ring Groove Diameter
3.845 inches 2nd ring
Oil Groove
Not included
Distance From Pin Hole Center To Extreme Top
2.253 inches
Pin Hole Bushing
Not included
Distance Between Pin Bosses
2.469 inches
Retaining Ring Groove
Included
Pin
Included
Pin Type For Which Designed
Floating
Ring
Included
Carbon Groove
Not included
Material
Aluminum
Material
Aluminum
Weight
36.000 ounces
Fsc Application Data
Engine, gasoline, nonaircraft
NSN
2805-00-374-4989
Part Number
21139AS
Description
Piston,internal Combustion Engine
CAGE
1ML14

Part 21139AS NSN 2805-00-374-4989

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
3.5000lbs
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:
120800
UFC:
61410
LTL:
RATING VARIABLE
LCL:
--
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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