Model: HB527-020

Piston Ring

Properties:

Cross Sectional Shape
Straight face, double scraper, ventilated oil control
Ring Style
Concentric
Radial Wall Thickness
Between 0.1760 inches and 0.1860 inches
Overall Width
Between 0.1860 inches and 0.1865 inches
Standard Bore Diameter
4.625 inches
Bore Diameter Oversize
0.020 inches
Joint Style
Vertical joint
Oil Passage Type And Quantity
1 groove outside periphery
Oil Passage Type And Quantity
10 slot horizontally through ring
Material
Steel
Surface Treatment
Chromium outside periphery
NSN
2805-00-391-3041
Part Number
HB527-020
Description
Ring,piston
CAGE
53781

A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.

Part HB527-020 NSN 2805-00-391-3041

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
11459
FIIG:
A08400
Concept No.:
App. Key:
A
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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
126700
UFC:
64230
LTL:
85.0
LCL:
85.0
WCC:
593
TCC:
Z
SHC:
5
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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