Model: 536939

Piston Ring

Properties:

Cross Sectional Shape
Convex face, double scraper, ventilated oil control
Ring Style
Concentric
Radial Wall Thickness
Between 0.2050 inches and 0.2150 inches
Overall Width
0.1550 inches
Pin Hole Style
Round pinhole at joint
Pinhole Diameter
0.031 inches
Standard Bore Diameter
5.000 inches
Joint Style
Vertical joint
Oil Passage Type And Quantity
1 hole bottom
Distance From Pin Hole Center To Edge
0.077 inches
Material
Iron
Material Specification
Ams7310 assn standard single material response
Fsc Application Data
Reciprocating engine, aircraft
NSN
2810-00-287-8372
Part Number
536939
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 536939 NSN 2810-00-287-8372

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:
A
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: 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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