Model: 7509

Piston Ring

Properties:

Cross Sectional Shape
Inside counterbore, straight face
Ring Style
Concentric
Radial Wall Thickness
Between 0.2900 inches and 0.2930 inches
Overall Width
Between 0.1200 inches and 0.1300 inches
Standard Bore Diameter
2.255 inches
Joint Style
Diagonal joint
Material
Beryllium
Fsc Application Data
Landing gear, retractable
NSN
4310-00-345-4606
Part Number
7509
Description
Ring,piston
CAGE
94697

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 7509 NSN 4310-00-345-4606

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:
594
TCC:
Z
SHC:
Z
ACC:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 8414902095
  • SITC: 74380
  • End Use: Industrial engines
  • NAICS: 333912
  • USDA: 1

Freight Class: Parts nesoi, of compressors other than refrigerating and air conditioning compressors

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