Model: A51B21709-25

Sleeve Bearing

Special Features:

Both ends counterbored 1.4515 in. Diameter nom, 0.0525 in. Deep nom

Properties:

Overall Length

Between 0.7400 inches and 0.7500 inches

Body Outside Diameter

Between 1.5010 inches and 1.5020 inches

Body Inside Diameter

Between 1.1875 inches and 1.1895 inches

Lubrication Material

Lubricant, solid film, mil-l-8937

Corner Shape

Square all corners

Hardness Rating

39.0 rockwell c and 45.0 rockwell c

Surface Finish

63.0 microinches inside diameter surface of body

Surface Finish

63.0 microinches outside diameter surface of body

Material

Steel comp 410 or steel comp 416

Material Specification

Aisi assn standard single material response

Surface Treatment

Passivate

Surface Treatment Specification

Mil-s-5002 military specification single treatment response

Style Designator

17c solid, plain, no outside flanges

NSN

3120-01-197-1021

Part Number

A51B21709-25

Description

Bearing,sleeve

CAGE

26512

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. it must have a visible or detectable means of lubrication or be self-lubricated. the over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. see also bushing, sleeve; spacer, sleeve; and washer (as modified). excludes pin, hollow.

Part A51B21709-25 NSN 3120-01-197-1021

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

13205

FIIG:

A045A0

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:

114850

UFC:

58880

LTL:

70.0

LCL:

WCC:

742

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8482997090
SITC: 74699
End Use: Industrial machines, other
NAICS: 332991
USDA: 1

Freight Class: Parts, nesoi, for roller bearings or for combined ball/roller bearings, nesoi