657721P10

View detailed technical data, stock status, and sourcing information for: 657721P10
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-161-0540

Item Name Code

13206

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.

35.0 rockwell c minimum and 40.0 rockwell c maximum overall hardness rating, 0.1900 inches minimum and 0.2000 inches maximum overall length, 0.3815 inches minimum and 0.3820 inches maximum body outside diameter, square all corners corner shape, 0.2100 inches minimum and 0.2300 inches maximum body inside diameter

Product Characteristics

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

Overall Length: 0.1900 inches minimum and 0.2000 inches maximum
Body Outside Diameter: 0.3815 inches minimum and 0.3820 inches maximum
Body Inside Diameter: 0.2100 inches minimum and 0.2300 inches maximum
Corner Shape: square all corners
Hardness Rating: 35.0 rockwell c minimum and 40.0 rockwell c maximum overall
Material: steel comp 615 overall
Material Document And Classification: ams 5616 assn std single material response overall
Style Designator: solid, plain, no outside flanges

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
657721P10	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-161-0540?

The FSCG of the NSN 3120-00-161-0540 is 3120

Does the NSN 3120-00-161-0540 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-161-0540 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 3120-00-161-0540 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-161-0540 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 3120-00-161-0540 was assigned to the Federal Catalog?

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