3120-01-223-7177

Find complete technical information, availability, and procurement data for: 3120-01-223-7177
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-223-7177

Item Name Code

13206

Assigment Date

01/04/1986 (40 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).

3.5000 inches nominal overall length, 0.2500 inches nominal first hole diameter, 4.2500 inches nominal flange outside diameter, 2.4980 inches minimum and 2.4990 inches maximum body outside diameter, 2.0060 inches minimum and 2.0070 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.

Hole Diameter: 0.2500 inches nominal first
Overall Length: 3.5000 inches nominal
Body Outside Diameter: 2.4980 inches minimum and 2.4990 inches maximum
Body Inside Diameter: 2.0060 inches minimum and 2.0070 inches maximum
Flange Outside Diameter: 4.2500 inches nominal
Flange Width: 0.2500 inches nominal
Lubricant Accommodation Style: grooved circular and grooved open one end
Corner Shape: square all corners
Surface Finish: 63.0 microinches overall
Antirotation/Lubrication Type And Quantity: 1 hole
Surface Groove Location And Quantity: 5 internal
Special Features: 4 evenly spaced,countersunk holes 0.2500 in. dia on flange face
Material: copper alloy 903 overall
Material Document And Classification: qq-c-390 fed spec single material response overall
Style Designator: solid, external flange one end

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
SSN605-520-2013499 PIECE 9	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-01-223-7177?

The FSCG of the NSN 3120-01-223-7177 is 3120

Does the NSN 3120-01-223-7177 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-01-223-7177 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 3120-01-223-7177 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-223-7177 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 3120-01-223-7177 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Sat, Jan 4, 1986