Model: KS4A

Airframe Ball Bearing

Description:

0.2500 inches bore diameter, 0.7500 inches overall outside diameter, grease lubrication material, 0.2190 inches outer ring width.

Special Features:

80 pct. Full of mil-g-81322, axial play 0.025 in. Max., heat treat rings and balls to rockwell c 60 to 66 and stabilized for operation at 250 deg.F, 8 degrees self-aligning in either direction

Properties:

Bore Diameter

0.2500 inches

Overall Outside Diameter

0.7500 inches

Lubrication Material

Grease

Outer Ring Width

0.2190 inches

Inner Ring Width

0.2810 inches

Seal Quantity

Bearing Seal Type

Contact

Alignment Type

Self-aligning

Load Direction

Radial

Self-alignment Location

Internal

Standard Tolerance Designation

Afbma standard tolerance for airframe ball bearings

Lubrication Material Specification

Mil-g-81322 military specification single material response

Material

Plastic polytetrafluoroethylene seal

Material

Steel comp e51100 ball or steel comp e52100 ball

Material

Steel comp e52100 inner ring

Material

Steel comp e52100 outer ring

Material

Stainless steel retainer

Material Specification

66 federal standard all material responses ball

Material Specification

66 federal standard single material response inner ring

Material Specification

66 federal standard single material response outer ring

Material Specification

Ams 3652 assn standard single material response seal or ams 3666 assn standard single material response seal

Surface Treatment

Cadmium exposed surfaces as mounted

Surface Treatment Specification

Qq-p-416, type 1, cl 2 federal specification single treatment response exposed surfaces as mounted

Style Designator

Single row self aligning single row inner ring extended both sides

NSN

3110-00-042-4807

Part Number

KS4A

Description

Bearing,ball,airframe

CAGE

21335

A cylindrical item in which the inner or outer ring turns upon row(s) of hardened ball, bearing which roll on a raceway, thus minimizing friction. These items are characterized by their noncorrosive qualities, lightness of weight, inch dimensions rather than metric, inner rings generally projecting beyond the faces of the outer ring, or a very narrow width inner ring having an outside diameter slightly larger than the bore diameter. Designed primarily for use in aircraft assemblies, such as control systems and surfaces of aircraft. Excludes bearing, ball, annular.

Part KS4A NSN 3110-00-042-4807

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

00041

FIIG:

A044A0

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:

0.1000lbs

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

End Items End applications NSN 3110-00-042-4807 is a component of

Eagle F-15 Aircraft
B-1b Aircraft Trainer
Ec-135h/k/p) Aircraft Tf33-pw-102 (c-135e Engine
B-52h) Aircraft Tf33-p-3/5/9 (c/ec-135 Engine
C-2a (reprocured) Aircraft
Tf-33-p-7 (c-141a/b) Aircraft Engine
Mh-53e Helicopter
Airlifter C-17a Aircraft
Los Angeles Class Ssn (688)
Consolidated Targets
006741206
Linear Electro-mechanical Actuator
002624551
Torque Tube Support
002624553
Torque Tube Support
008126916
Pipe Flange
009289124
Master Hydraulic Brake Cylinder Assembly
009232942
Hydraulic Servocylinder Assembly
010119778
Left H Quadrant Hub
010284215
Dual Power Valve
010155958
Right Quadrant Hub
010506410
Lever Assembly
010537753
Valve Assembly
010771215
Hydraulic Servovalve
010801020
Aircraft Deceleron
011031977
Outer Wing Parts Kit
011026041
Aircraft Whee Valve
011656075
Hydraulic Servocylinder Assembly
011649097
Hydraulic Servocylinder Assembly
011659346
Servocylinder
011636864
Servocylinder
011848758
Hydraulic Servocylinder Assembly
002820562
Torque Tube Support
011920675
Hydraulic Servovalve
011835137
Servocylinder
011856511
Servocylinder
000109946
Hydraulic Servocylinder Assembly
011835252
Servocylinder
006207514
Linear Actuating Cylinder Assembly
012253213
Rigid Connecting Link
000976825
Overri Cap Assembly
002498939
Bell Crank
000810678
Ove Spring Assembly
002365164
Bell Crank
001042911
Rod End Ball Bearing
012511739
Wing Parts Kit
012674462
Hydraulic Servocylinder Assembly
002498215
Bell Crank
002319295
Hydraulic Servocylinder Assembly
002724923
Rigid Connecting Link
002707951
Rigid Connecting Link
002539579
Bell Crank
002700670
Rigid Connecting Link
002700540
Rigid Connecting Link
002289285
Bell Crank
003464324
Flow Control Valve
002140567
Bell Crank
002315503
Rigid Connecting Link
003268668
Bell Crank
002682514
Rigid Connecting Link
003002283
Hydraulic Servocylinder Assembly
013461117
Bell Crank
002736845
Rigid Connecting Link
013526043
Aircraft Structural Component Fitting
003268657
Bell Crank
010883669
Cargo-transport Helicopter
010883669
Cargo-transport Helicopter
010883669
Cargo-transport Helicopter
010883669
Cargo-transport Helicopter
010883669
Cargo-transport Helicopter
010883669
Cargo-transport Helicopter
010883669
Cargo-transport Helicopter
010883669
Cargo-transport Helicopter
013806655
Linear Actuating Cylinder Assembly
010883669
Cargo-transport Helicopter
010883669
Cargo-transport Helicopter
010883669
Cargo-transport Helicopter
010883669
Cargo-transport Helicopter
010883669
Cargo-transport Helicopter
010883669
Cargo-transport Helicopter
006526151
Hydraulic Servo Ass
002707945
Rigid Connecting Link

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Schedule B and Export

Schedule B: 8482105068
SITC: 74610
End Use: Industrial machines, other
NAICS: 332991
USDA: 1

Freight Class: Ball bearings, nesoi

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