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3120-00-557-4704 Sleeve Bushing

Comprehensive specifications and application details for NSN: 3120-00-557-4704.

Summary

Explore detailed summary information for bearing: 3120-00-557-4704. 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
3120-00-557-4704
Item Name Code
13206
Federal Item Identification Guide
A045A0
Assigment Date
11/08/1974

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.

square all corners corner shape, 0.3745 inches minimum and 0.3755 inches maximum body inside diameter, 0.4985 inches minimum and 0.4995 inches maximum body outside diameter, mil-s-6798 mil spec 1st material response or mil-s-6050 mil spec 2nd material response overall material document and classification, 0.3750 inches minimum and 0.3850 inches maximum overall length

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-557-4704 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter
0.3745 inches minimum and 0.3755 inches maximum
Body Outside Diameter
0.4985 inches minimum and 0.4995 inches maximum
Corner Shape
square all corners
Overall Length
0.3750 inches minimum and 0.3850 inches maximum
Material Document And Classification
mil-s-6798 mil spec 1st material response or mil-s-6050 mil spec 2nd material response overall
Material
steel comp 4130 or steel comp 8630 overall
Style Designator
solid, plain, no outside flanges
Surface Finish
63.0 microinches inside diameter surface of body
Surface Finish
63.0 microinches outside diameter surface of body
Surface Treatment Document And Classification
qq-p-416,ty 2,cl 3 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
10107652 Sleeve Bushing
4M46-6-12 Sleeve Bushing

Frequently Asked Questions

Find quick answers to common questions about bearing: 3120-00-557-4704. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-557-4704?
The FSCG of the NSN 3120-00-557-4704 is 3120
Does the NSN 3120-00-557-4704 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997060
Does NSN 3120-00-557-4704 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 3120-00-557-4704 contain precious materials?
Precious metal content is unknown
Does NSN 3120-00-557-4704 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 3120-00-557-4704 was assigned to the Federal Catalog?
It was assigned 51 years ago, on Fri, Nov 8, 1974

Price & Availability

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Stock Availability

This product is available in the following quantities and conditions:

New Material 168
New Surplus 1
Total 169
Availability of this item was last updated on: 10/08/2025 03:10 AM EDT. Availability may have changed since then. Request a quote for up to date pricing and availability.

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