Model: 2977

Compressor Piston
Description:

Dish head style, 4.625 inches overall height, 2.9980 inches diameter, finished surface finish, steel alloy material, steel alloy material.

Properties:

Head Style
Dish
Overall Height
4.625 inches
Diameter
Between 2.9980 inches and 2.9985 inches
Oil Passage Type
Hole
Pinhole Diameter
Between 0.8748 inches and 0.8750 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 0.1870 inches and 0.1880 inches and 0.1245 inches and 0.1255 inches
Ring Groove Diameter
Between 2.640 inches and 2.650 inches and 2.680 inches and 2.690 inches
Oil Groove
Not included
Distance From Pin Hole Center To Extreme Top
Between 2.995 inches and 3.005 inches
Pin Hole Bushing
Not included
Distance Between Pin Bosses
1.688 inches
Retaining Ring Groove
Not included
Pin
Not included
Pin Type For Which Designed
Locked
Ring
Not included
Integral Connecting Rod
Not included
Material
Steel alloy
Material
Steel alloy
NSN
4310-00-028-3858
Part Number
2977
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 2977 NSN 4310-00-028-3858

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:
2.9000lbs
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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