Model: 3439-8 3/8

Wiper Ring

Properties:

Cross Sectional Shape

Outside grooved and beveled, straight face

Inside Diameter

8.375 inches

Outside Diameter

8.626 inches

Material Thickness

0.410 inches

Ring Style

Concentric

Outer Edge Thickness

Between 0.245 inches and 0.255 inches

Material

Copper alloy top outside periphery

Material

Rubber natural top inside periphery

Material Specification

Astm b584 assn standard single material response top outside periphery

Material Specification

Mil-r-6855, class 2, type a, grade 70 military specification single material response top inside periphery

NSN

5330-01-320-7272

Part Number

3439-8 3/8

Description

Ring,wiper

CAGE

98942

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 3439-8 3/8 NSN 5330-01-320-7272

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

20256

FIIG:

A08400

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

194120

UFC:

95100

LTL:

RATING VARIABLE

LCL:

WCC:

596

TCC:

SHC:

ACC:

Construction Materials

Pricing & Availability Check

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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