NAS77B12-031P

View detailed technical data, stock status, and sourcing information for: NAS77B12-031P
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-108-7678

Item Name Code

13206

Assigment Date

03/05/1981 (45 years ago)

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The outer member of the assembly is modified to provide a shank. The inner member may be either a plain spherical bearing or a sleeve bearing. Excludes:bearing, plain, spherical and bearing, plain, self-aligning.

0.3620 inches minimum and 0.3770 inches maximum overall length, 0.9383 inches minimum and 0.9393 inches maximum body outside diameter, 0.0570 inches minimum and 0.0620 inches maximum flange width, 1.1150 inches minimum and 1.1350 inches maximum flange outside diameter, 0.7500 inches minimum and 0.7515 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: 0.3620 inches minimum and 0.3770 inches maximum
Body Outside Diameter: 0.9383 inches minimum and 0.9393 inches maximum
Body Inside Diameter: 0.7500 inches minimum and 0.7515 inches maximum
Flange Outside Diameter: 1.1150 inches minimum and 1.1350 inches maximum
Flange Width: 0.0570 inches minimum and 0.0620 inches maximum
Corner Shape: chamfered inside left corner
Corner Shape: chamfered inside right corner
Corner Shape: square left flange outside right corner
Corner Shape: square outside left corner
Corner Shape: square outside right corner
Corner Shape: undercut left flange body corner
Surface Finish: 100.0 microinches intermediate layer
Material: copper alloy 172 or copper alloy 173 overall
Material Document And Classification: qq-c-530,ht fed spec all material responses overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec single treatment response overall
Style Designator: solid, external flange one end
Specification/Standard Data: 80205-nas77 professional/industrial association standard

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
NAS77B12-031P	Sleeve Bushing
NAS77B12-31P	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-01-108-7678?

The FSCG of the NSN 3120-01-108-7678 is 3120

Does the NSN 3120-01-108-7678 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-01-108-7678 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 3120-01-108-7678 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-108-7678 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 3120-01-108-7678 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Thu, Mar 5, 1981