Model: 37-31-7828

Wiper Ring

Properties:

Cross Sectional Shape

Counterbored straight face

Inside Diameter

Between 0.877 inches and 0.878 inches

Outside Diameter

Between 1.620 inches and 1.623 inches

Material Thickness

Between 0.960 inches and 0.965 inches

Ring Style

Concentric

Outer Edge Thickness

Between 0.304 inches and 0.314 inches

Material

Copper alloy

Material Specification

Qq-c-465 federal standard single material response

NSN

5330-01-121-1844

Part Number

37-31-7828

Description

Ring,wiper

CAGE

96169

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 37-31-7828 NSN 5330-01-121-1844

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:

0.3000lbs

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:

197720

UFC:

96870

LTL:

85.0

LCL:

WCC:

586

TCC:

SHC:

ACC:

Trailers/Vehicles

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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