NAS77A8-040N

View detailed technical data, stock status, and sourcing information for: NAS77A8-040N
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-335-3008

Item Name Code

13206

Assigment Date

03/07/1991 (35 years ago)

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

0.5000 inches minimum and 0.5015 inches maximum body inside diameter, 0.4520 inches minimum and 0.4670 inches maximum overall length, 0.7400 inches minimum and 0.7600 inches maximum flange outside diameter, 0.0570 inches minimum and 0.0620 inches maximum flange width, 0.6257 inches minimum and 0.6265 inches maximum body 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: 0.4520 inches minimum and 0.4670 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: 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 overall
Special Features: item is press fit
Material: copper alloy 642 overall
Material Document And Classification: qq-c-465 fed spec single material response or mil-b-6946 mil spec single material response overall
Surface Treatment: cadmium outside diameter surface of body
Surface Treatment Document And Classification: qq-p-416,type ii,class 2 fed spec single treatment response outside diameter surface of body
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
NAS77A8-040N	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-01-335-3008?

The FSCG of the NSN 3120-01-335-3008 is 3120

Does the NSN 3120-01-335-3008 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-01-335-3008 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 3120-01-335-3008 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-335-3008 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 3120-01-335-3008 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Thu, Mar 7, 1991