2578657-001A

View detailed technical data, stock status, and sourcing information for: 2578657-001A
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-161-0515

Item Name Code

13205

Assigment Date

10/22/1971 (54 years ago)

A thin flat metal or plastic item of various peripheral shapes having a solid or laminated cross-section. It is designed to maintain a predetermined distance between two surfaces. For round items without a hole and having a solid rectangular cross-section use disk, solid, plain. Items with either (1) a solid (not laminated) cross-section, or (2) a non-separable laminated cross-section with one hole centrally located, must have a thickness less than 0.006 inch (0.152 mm) for items less than 1/4 inch (6.35 mm) outside diameter or shortest distance across peripheral flats, and less than 0.016 inch (0.406 mm) for items 1/4 inch (6.35 mm) or more outside diameter, or shortest distance across peripheral flats. For items with thickness greater than those indicated above, see spacer, plate; washer, flat and spacer, ring. When thickness and/or outside diameter or shortest distance across peripheral flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance. See also shim stock, laminated; shim stock assortment, gasket; and bearing, washer, thrust.

6.0030 inches minimum and 6.0060 inches maximum body inside diameter, 6.3435 inches minimum and 6.3465 inches maximum body outside diameter, 6.2400 inches minimum and 6.2600 inches maximum overall length, 6.6950 inches minimum and 6.7050 inches maximum flange outside diameter, 0.0600 inches minimum and 0.0800 inches maximum first hole diameter

Product Characteristics

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

Hole Diameter: 0.0600 inches minimum and 0.0800 inches maximum first
Overall Length: 6.2400 inches minimum and 6.2600 inches maximum
Body Outside Diameter: 6.3435 inches minimum and 6.3465 inches maximum
Body Inside Diameter: 6.0030 inches minimum and 6.0060 inches maximum
Flange Outside Diameter: 6.6950 inches minimum and 6.7050 inches maximum
Flange Width: 0.7480 inches minimum and 0.7520 inches maximum
Lubricant Accommodation Style: grooved circular
Corner Shape: chamfered outside right corner
Corner Shape: chamfered outside left corner
Corner Shape: round left flange body corner
Corner Shape: square left flange outside right corner
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Surface Finish: 125.0 microinches overall
Antirotation/Lubrication Type And Quantity: 2 hole
Surface Groove Location And Quantity: 2 internal
Material: aluminum alloy 7075 overall
Material Document And Classification: qq-a-200/11,t t73 fed spec single material response overall
Surface Treatment: anodize overall
Surface Treatment Document And Classification: cp-0410,06858 mfr ref single treatment response overall
Style Designator: solid, external flange one end

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
2578657-001A	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-161-0515?

The FSCG of the NSN 3120-00-161-0515 is 3120

Does the NSN 3120-00-161-0515 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-161-0515 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 3120-00-161-0515 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-161-0515 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 3120-00-161-0515 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Oct 22, 1971