Model: 28989

Wiper Ring

Properties:

Inside Diameter
Between 0.307 inches and 0.309 inches
Outside Diameter
Between 0.520 inches and 0.525 inches
Material Thickness
0.175 inches
Ring Style
Concentric
Outer Edge Thickness
Between 0.110 inches and 0.120 inches
Material
Plastic tetrafluoroethylene
NSN
5330-00-302-1675
Part Number
28989
Description
Ring,wiper
CAGE
99643

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 28989 NSN 5330-00-302-1675

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:
U
ESD:
ESD:
MMAC:
LE
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
011920
UFC:
04780
LTL:
100.0
LCL:
100.0
WCC:
671
TCC:
Z
SHC:
Z
ACC:
Equipment for Aircraft

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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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