Model: 4820-23

Linear-rotary Motion Roller

Properties:

Casehardening Indicator

Not casehardened

Outside Diameter

Between 1.242 inches and 1.248 inches

Bore Length

2.250 inches

End Application

Mrap - common nsn - used on 3 mrap variants and 10 other weapon systems, 2330014586865: semitrailer, low bed

End Application

Mrap - common nsn - used on 3 mrap variants and 10 other weapon systems, 2330014586865: semitrailer, low bed; mrap buffalo mk2a2

Face Width

1.312 inches

Hub Diameter

Between 0.740 inches and 0.745 inches

Chamfer/radius Of Outside Corner

0.062 in.Radius both corners

Part Name Assigned By Controlling Agency

Roller, brk shoe

Material

Steel

Material

Steel

Surface Treatment

Phosphate

NSN

3120-00-322-6430

Part Number

4820-23

Description

Roller,linear-rotary Motion

CAGE

12472

A cylindrical body having a centrally located hole to accommodate a pin or shaft for attachment to a push rod guide, yoke, rocker arm, turntable, or rail. The item provides a rolling contact with the face of a valve stem, or the lobes of a cam ring or camshaft on engines, fuel injection pumps, latches, turntables, parallel bearing surfaces requiring a roller support, and the like. Excludes bearing, roller, cylindrical; roller, electrical switch; and friction bearings. See also cam follower, needle bearing.

Part 4820-23 NSN 3120-00-322-6430

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

28215

FIIG:

T267-K

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:

2.2 X 1.3 X 0.0

Paclk Weight:

0.6000lbs

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:

114820

UFC:

58860

LTL:

77.5

LCL:

WCC:

742

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8710000090
SITC: 89111
End Use: Military trucks, armored vehicles, etc.
NAICS: 336992
USDA: 1

Freight Class: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons