3120-01-171-8743

Find complete technical information, availability, and procurement data for: 3120-01-171-8743
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-171-8743

Item Name Code

13205

Assigment Date

02/15/1984 (42 years ago)

A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the body. (when the length, outside diameter, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see spacer, plate. Excludes:items with lubricating features, see bearing, sleeve and bushing, sleeve. See also bushing, tapered; spacer, ring; washer, flat; and washer, (as modified).

square all corners corner shape, 3.4986 inches minimum and 3.4995 inches maximum body outside diameter, grooved circular lubricant accommodation style, 2.7620 inches minimum and 2.7670 inches maximum body inside diameter, 1.3400 inches minimum and 1.3500 inches maximum overall length

Product Characteristics

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

Overall Length: 1.3400 inches minimum and 1.3500 inches maximum
Body Outside Diameter: 3.4986 inches minimum and 3.4995 inches maximum
Body Inside Diameter: 2.7620 inches minimum and 2.7670 inches maximum
Lubricant Accommodation Style: grooved circular
Corner Shape: square all corners
Surface Finish: 63.0 microinches left end surface of body
Surface Finish: 63.0 microinches outside diameter surface of body
Surface Finish: 63.0 microinches right end surface of body
Surface Groove Location And Quantity: 1 internal and 1 external
Material: aluminum alloy 7075 outer layer
Material: plastic polytetrafluoroethylene or glass fiber or plastic polyethylene terephthalate inner layer
Material Document And Classification: qq-a-200/11,t6511 fed spec single material response outer layer
Surface Treatment: anodize left end surface of body
Surface Treatment: anodize outside diameter surface of body
Surface Treatment: anodize right end surface of body
Surface Treatment Document And Classification: ps13201,ty 2,cl 1 mfr ref single treatment response left end surface of body
Surface Treatment Document And Classification: ps13201,ty 2,cl 1 mfr ref single treatment response outside diameter surface of body
Surface Treatment Document And Classification: ps13201,ty 2,cl 1 mfr ref single treatment response right end surface of body
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
75A430614-2001	Sleeve Bearing
75A430823-2001	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-171-8743?

The FSCG of the NSN 3120-01-171-8743 is 3120

Does the NSN 3120-01-171-8743 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-171-8743 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 3120-01-171-8743 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-171-8743 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 3120-01-171-8743 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Wed, Feb 15, 1984