LM303-184

View detailed technical data, stock status, and sourcing information for: LM303-184
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-180-7690

Item Name Code

13208

Assigment Date

07/08/1970 (56 years ago)

0.4995 inches minimum and 0.5000 inches maximum bore diameter, 0.5000 inches minimum and 0.5100 inches maximum outer member width, 27500 pounds static radial load rating, 0.9995 inches minimum and 1.0000 inches maximum outer member outside diameter, 0.6230 inches minimum and 0.6250 inches maximum inner member width

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Bore Diameter: 0.4995 inches minimum and 0.5000 inches maximum
Outer Member Outside Diameter: 0.9995 inches minimum and 1.0000 inches maximum
Outer Member Width: 0.5000 inches minimum and 0.5100 inches maximum
Inner Member Width: 0.6230 inches minimum and 0.6250 inches maximum
Static Radial Load Rating: 27500 pounds
Hardness Rating: 55.0 rockwell c minimum and 62.0 rockwell c maximum inner member
Hardness Rating: 23.0 rockwell c minimum and 35.0 rockwell c maximum outer race member
Material: steel comp 440c inner member
Material: steel comp 410 and steel comp 630 and steel comp 631 outer race member
Material Document And Classification: 66 fed std 1st material response and ams 5643 assn std 2nd material response and ams 5528 assn std 3rd material response outer race member
Material Document And Classification: ams 5630 assn std single material response inner member
Style Designator: with insert and/or liner with staking groove

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3120-00-962-1070	No Name Available	11/01/1978

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
LM303-184	Self-Aligning Plain Bearing
MS21230-8	Self-Aligning Plain Bearing
SBSH16ATC32Z	Self-Aligning Plain Bearing
SBSH16ATC32ZM	Self-Aligning Plain Bearing
TGA108	Self-Aligning Plain Bearing

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3120-00-180-7690?

The FSCG of the NSN 3120-00-180-7690 is 3120

Does the NSN 3120-00-180-7690 have a Schedule B code assigned?

Yes, the Schedule B code is 8482300040

Does NSN 3120-00-180-7690 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 3120-00-180-7690 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-180-7690 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 3120-00-180-7690 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Wed, Jul 8, 1970