Model: 8643X

Compressor Piston

Properties:

Head Style
Flat
Overall Height
3.688 inches
Diameter
4.500 inches
Oil Passage Type
Hole
Pinhole Diameter
Between 0.8747 inches and 0.8749 inches
Surface Finish
Finished
Finished Size Designation
Standard
Skirt Type
Solid
Skirt Bottom Cutaway Feature
Not included
Ring Groove Quantity
1 and 3
Ring Groove Position
No. 1, no. 2, no. 3 and no. 4 positions
Ring Groove Width
Between 0.1875 inches and 0.1885 inches and 0.1250 inches and 0.1260 inches
Ring Groove Diameter
Between 4.037 inches and 4.047 inches and 4.077 inches and 4.087 inches
Oil Groove
Included
Distance From Pin Hole Center To Extreme Top
Between 1.995 inches and 2.005 inches
Pin Hole Bushing
Not included
Distance Between Pin Bosses
1.750 inches
Retaining Ring Groove
Not included
Pin
Included
Pin Type For Which Designed
Locked
Ring
Included
Integral Connecting Rod
Not included
Material
Aluminum
Material
Aluminum
Fsc Application Data
Air compressor, stationary, receiver mtd
NSN
4310-00-821-8003
Part Number
8643X
Description
Piston,compressor
CAGE
49576

A cylindrical piece which moves or reciprocates in a cylinder to compress air or gas from an initial intake pressure to a higher discharge pressure. May include integral connecting rod.

Part 8643X NSN 4310-00-821-8003

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22220
FIIG:
T103-G
Concept No.:
App. Key:
GA
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:
1.2000lbs
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:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8414909000
  • SITC: 74380
  • End Use: Industrial engines
  • NAICS: 333912
  • USDA: 1

Freight Class: Parts of air or vacuum pumps, nesoi

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