Model: 530677

Piston Ring

Properties:

Cross Sectional Shape
Straight face, double scraper, ventilated oil control
Ring Style
Concentric
Radial Wall Thickness
Between 0.1550 inches and 0.1650 inches
Overall Width
Between 0.1860 inches and 0.1870 inches
Standard Bore Diameter
4.062 inches
Joint Style
Vertical joint
Oil Passage Type And Quantity
1 groove outside periphery and 9 hole outside periphery
Material
Iron
Surface Treatment
Tin
Fsc Application Data
Engine, aircraft, reciprocating
NSN
2810-00-478-8753
Part Number
530677
Description
Ring,piston
CAGE
28839

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 530677 NSN 2810-00-478-8753

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

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Schedule B and Export
  • Schedule B: 8409100080
  • SITC: 71319
  • End Use: Engines and turbines for military aircraft
  • NAICS: 336412
  • USDA: 1

Freight Class: Parts for spark-ignition or compression-ignition internal combustion piston engines for use in aircraft except civil

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