7979489

View detailed technical data, stock status, and sourcing information for: 7979489
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-182-8489

Item Name Code

22293

Assigment Date

09/11/1970 (55 years ago)

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

0.095 inches minimum minor thickness, 0.320 inches minimum and 0.340 inches maximum mounting hole diameter, counterbored w/ aperture cross-sectional shape style, 2.480 inches nominal length, 1.228 inches minimum and 1.235 inches maximum aperture diameter

Product Characteristics

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

Cross-Sectional Shape Style: counterbored w/ aperture
Minor Thickness: 0.095 inches minimum
Length: 2.480 inches nominal
Mounting Hole Diameter: 0.320 inches minimum and 0.340 inches maximum
Aperture Diameter: 1.228 inches minimum and 1.235 inches maximum
Mounting Hole Arrangement Style: four holes
Distance Between Holes Along Length: 1.720 inches nominal
Distance Between Holes Along Width: 1.720 inches nominal
Overall Thickness: 0.179 inches nominal
Counterbore Diameter: 1.302 inches minimum and 1.305 inches maximum
Distance From Vertical Centerline To Center Of Right Hole: 0.860 inches nominal
Distance From Horizontal Centerline To Center Of Right Hole: 0.860 inches nominal
Mounting Hole Type: round, unthreaded
Material: steel overall
Style Designator: square

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
7979489	Bearing Retaining Plate

FAQs

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

What is the FSCG of the NSN 3110-00-182-8489?

The FSCG of the NSN 3110-00-182-8489 is 3110

Does the NSN 3110-00-182-8489 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3110-00-182-8489 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 3110-00-182-8489 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-182-8489 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 3110-00-182-8489 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Sep 11, 1970