Model: B546FS256B

Annular Ball Bearing

Special Features:

Part of gearcase assembly of the c-5 acft

Properties:

Overall Width

0.2500 inches

Bore Diameter

2.3125 inches

Overall Outside Diameter

2.8750 inches

Lubrication Material

Oil

Surface Finish

Ground

Load Direction

Radial

Bore Shape

Straight

Lubrication Material Specification

Mil-l-6085a military specification single material response

Material

Steel

Style Designator

Non-loading groove, non-separable

NSN

3110-01-296-9445

Part Number

B546FS256B

Description

Bearing,ball,annular

CAGE

21335

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing, ball, duplex. Excludes bearing, ball, airframe.

Part B546FS256B NSN 3110-01-296-9445

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

00014

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:

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 3110-01-296-9445 is a component of

Galaxy C-5 Aircraft
004889424
Aircraft Gearbox Assembly
004889419
Aircraft Gearbox Assembly
004889420
Aircraft Gearbox Assembly
004889423
Aircraft Gearbox Assembly

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Schedule B and Export

Schedule B: 8482105028
SITC: 74610
End Use: Industrial machines, other
NAICS: 332991
USDA: 1

Freight Class: Angular contact ball bearings, nesoi