EPA21A00-116

View detailed technical data, stock status, and sourcing information for: EPA21A00-116
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-479-9265

Item Name Code

13205

Assigment Date

03/14/1972 (54 years ago)

A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the body. (when the length, outside diameter, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see spacer, plate. Excludes:items with lubricating features, see bearing, sleeve and bushing, sleeve. See also bushing, tapered; spacer, ring; washer, flat; and washer, (as modified).

8.0100 inches minimum and 8.0140 inches maximum body inside diameter, 9.5000 inches nominal left flange outside diameter, 0.5000 inches nominal first hole diameter, 8.7500 inches minimum and 8.7520 inches maximum body outside diameter, 10.2500 inches nominal overall length

Product Characteristics

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

Hole Diameter: 0.5000 inches nominal first
Overall Length: 10.2500 inches nominal
Body Outside Diameter: 8.7500 inches minimum and 8.7520 inches maximum
Body Inside Diameter: 8.0100 inches minimum and 8.0140 inches maximum
Left Flange Outside Diameter: 9.5000 inches nominal
Right Flange Outside Diameter: 9.5000 inches nominal
Left Flange Width: 0.6250 inches nominal
Right Flange Width: 0.6250 inches nominal
Lubricant Accommodation Style: grooved closed both ends and grooved circular
Corner Shape: round right flange body corner
Corner Shape: round inside left corner
Corner Shape: round inside right corner
Corner Shape: round left flange body corner
Corner Shape: square left flange outside right corner
Corner Shape: square outside left corner
Corner Shape: square outside right corner
Corner Shape: square right flange outside left corner
Surface Finish: 125.0 microinches left end surface of body and flange
Surface Finish: 125.0 microinches left end surface of right flange
Surface Finish: 125.0 microinches right end surface of body and flange
Surface Finish: 125.0 microinches right end surface of left flange
Surface Finish: 250.0 microinches outside diameter surface of left flange
Surface Finish: 250.0 microinches outside diameter surface of right flange
Surface Finish: 32.0 microinches inside diameter surface of body
Surface Finish: 63.0 microinches outside diameter surface of body
Antirotation/Lubrication Type And Quantity: 4 hole
Surface Groove Location And Quantity: 2 external and 3 internal
Material: copper alloy overall
Style Designator: segmented, external flanges both ends

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
514887-1	Sleeve Bearing
EPA21A00-116	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-479-9265?

The FSCG of the NSN 3120-00-479-9265 is 3120

Does the NSN 3120-00-479-9265 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-479-9265 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 3120-00-479-9265 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-479-9265 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 3120-00-479-9265 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Tue, Mar 14, 1972