Model: 351-21000-312A

Wiper Ring

Properties:

Cross Sectional Shape
Straight face, double scraper
Inside Diameter
Between 0.746 inches and 0.748 inches
Outside Diameter
Between 0.991 inches and 0.993 inches
Material Thickness
Between 0.860 inches and 0.870 inches
Ring Style
Concentric
Outer Edge Thickness
Between 0.188 inches and 0.198 inches
Material
Rubber synthetic
Material Specification
Greene tweed compound 155 federal standard single material response
NSN
5330-01-387-7334
Part Number
351-21000-312A
Description
Ring,wiper
CAGE
5F573

A circular, single or multipiece, rigid, metallic or nonmetallic item having a centrally located hole with a sharp edge on the inside periphery. It is supplied in various cross-sectional shapes and is designed to be installed in a cylinder, shock strut, or similar device to remove excess oil, dirt, ice, and/or foreign material from a piston, ram, or sliding rod. Excludes packing, preformed; ring, piston; and seal ring, metal.

Part 351-21000-312A NSN 5330-01-387-7334

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
20256
FIIG:
A08400
Concept No.:
App. Key:
B
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
A
ESD:
ESD:
MMAC:
BQ
CRITL:
X

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Schedule B and Export
  • Schedule B: 8412909005
  • SITC: 71899
  • End Use: Industrial engines
  • NAICS: 333995
  • USDA: 1

Freight Class: Parts of linear acting hydraulic power engines and motors

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