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3120-01-521-2048 Sleeve Bushing

Comprehensive specifications and application details for NSN: 3120-01-521-2048.

Summary

Explore detailed summary information for bearing: 3120-01-521-2048. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-01-521-2048
Item Name Code
13206
Federal Item Identification Guide
A045A0
Assigment Date
06/14/2004

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.

0.3125 inches nominal body inside diameter, chamfered outside right corner corner shape, square inside left corner corner shape, 0.4980 inches nominal body outside diameter, chamfered outside left corner corner shape

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-521-2048 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter
0.3125 inches nominal
Body Outside Diameter
0.4980 inches nominal
Corner Shape
chamfered outside right corner
Corner Shape
chamfered outside left corner
Corner Shape
square inside left corner
Corner Shape
square inside right corner
Overall Length
0.3220 inches nominal
Material Document And Classification
mil-s-6758 mil spec single material response or mil-s-6050 mil spec single material response overall
Material
steel comp 4130 or steel comp 8630 overall
Specification/Standard Data
80205-nas73 professional/industrial association standard
Style Designator
solid, plain, no outside flanges
Surface Treatment Document And Classification
qq-p-416, tyii, cl2 fed spec single treatment response overall
Surface Treatment
cadmium overall

Related Bearings

Explore the various bearing models associated with this NSN. Click on any bearing below to view detailed technical data, performance ratings, and application guidelines.

Part Number Name
NAS73-5E005 Sleeve Bushing

Frequently Asked Questions

Find quick answers to common questions about bearing: 3120-01-521-2048. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-521-2048?
The FSCG of the NSN 3120-01-521-2048 is 3120
Does the NSN 3120-01-521-2048 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997060
Does NSN 3120-01-521-2048 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 3120-01-521-2048 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-01-521-2048 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 3120-01-521-2048 was assigned to the Federal Catalog?
It was assigned 22 years ago, on Mon, Jun 14, 2004

Price & Availability

Fill out the form to get pricing and availability details for the bearing: 3120-01-521-2048

Stock Availability

This product is available in the following quantities and conditions:

New Material 3,561
New Surplus 268
Total 3,829
Availability of this item was last updated on: 05/20/2026 11:05 AM EDT. Availability may have changed since then. Request a quote for up to date pricing and availability.

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