NAS77-8-31

View detailed technical data, stock status, and sourcing information for: NAS77-8-31
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-661-6842

Item Name Code

13206

Assigment Date

01/01/1963 (63 years ago)

0.3620 inches minimum and 0.3770 inches maximum overall length, 0.0570 inches minimum and 0.0620 inches maximum flange width, 0.5000 inches minimum and 0.5015 inches maximum body inside diameter, 0.6257 inches minimum and 0.6265 inches maximum body outside diameter, 0.7400 inches minimum and 0.7600 inches maximum flange outside 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: 0.3620 inches minimum and 0.3770 inches maximum
Body Outside Diameter: 0.6257 inches minimum and 0.6265 inches maximum
Body Inside Diameter: 0.5000 inches minimum and 0.5015 inches maximum
Flange Outside Diameter: 0.7400 inches minimum and 0.7600 inches maximum
Flange Width: 0.0570 inches minimum and 0.0620 inches maximum
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
Corner Shape: undercut left flange body corner
Surface Finish: 100.0 microinches intermediate layer
Material: steel comp 4130 and steel comp 8630 overall
Surface Treatment: cadmium and chromate overall
Style Designator: solid, external flange one end
Specification/Standard Data: 80205-nas77 professional/industrial association standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3120-00-516-1918	No Name Available	01/01/1960

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
NAS77-8-031	Sleeve Bushing
NAS77-8-31	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-661-6842?

The FSCG of the NSN 3120-00-661-6842 is 3120

Does the NSN 3120-00-661-6842 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-661-6842 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 3120-00-661-6842 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-661-6842 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 3120-00-661-6842 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963