FF503

View detailed technical data, stock status, and sourcing information for: FF503
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-287-7445

Item Name Code

13205

Assigment Date

01/01/1961 (65 years ago)

0.0600 inches minimum and 0.0650 inches maximum flange width, 0.3750 inches minimum and 0.3760 inches maximum body inside diameter, 0.7375 inches minimum and 0.7415 inches maximum flange outside diameter, 0.5630 inches minimum and 0.5640 inches maximum body outside diameter, 0.8075 inches minimum and 0.8175 inches maximum overall length

Product Characteristics

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

Overall Length: 0.8075 inches minimum and 0.8175 inches maximum
Body Outside Diameter: 0.5630 inches minimum and 0.5640 inches maximum
Body Inside Diameter: 0.3750 inches minimum and 0.3760 inches maximum
Flange Outside Diameter: 0.7375 inches minimum and 0.7415 inches maximum
Flange Width: 0.0600 inches minimum and 0.0650 inches maximum
Corner Shape: square left flange body corner
Corner Shape: square left flange outside right corner
Corner Shape: square outside left corner
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Corner Shape: square outside right corner
Material: copper alloy overall
Material: oil lubricating lubrication
Material Document And Classification: mil-b-5697,ty 1,comp a mil spec single material response overall
Style Designator: solid, external flange one end
Nondefinitive Spec/Std Data: 1 type and a composition

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3120-00-287-9024	No Name Available	01/01/1960
3120-00-287-9102	No Name Available	11/01/1967
3120-00-294-1418	No Name Available	11/01/1967

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
5994164P9	Sleeve Bearing
679350	Sleeve Bearing
8024555	Sleeve Bearing
CF376K0813	Sleeve Bearing
F1503	Sleeve Bearing
FF503	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-287-7445?

The FSCG of the NSN 3120-00-287-7445 is 3120

Does the NSN 3120-00-287-7445 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-287-7445 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 3120-00-287-7445 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-287-7445 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 3120-00-287-7445 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961