Model: PST-446A

Compressor Piston

Properties:

Head Style
Dome
Overall Height
Between 4.123 inches and 4.127 inches
Diameter
4.4977 inches
Oil Passage Type
Hole
Pinhole Diameter
1.250 inches
Surface Finish
Finished
Finished Size Designation
Standard
Skirt Type
Solid
Skirt Bottom Cutaway Feature
Not included
Ring Groove Quantity
2 and 2
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 0.026 inches and 0.125 inches
Ring Groove Diameter
4.016 inches and 4.056 inches
Oil Groove
Not included
Distance From Pin Hole Center To Extreme Top
Between 2.123 inches and 2.127 inches
Pin Hole Bushing
Not included
Distance Between Pin Bosses
2.375 inches
Retaining Ring Groove
Included
Pin
Included
Pin Type For Which Designed
Floating
Ring
Not included
Integral Connecting Rod
Not included
Material
Iron, cast
Material
Iron cast
Fsc Application Data
Air compressor
NSN
4310-00-841-9902
Part Number
PST-446A
Description
Piston,compressor
CAGE
59379

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 PST-446A NSN 4310-00-841-9902

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:
2.4000lbs
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:
127470
UFC:
64670
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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