31204113978

View detailed technical data, stock status, and sourcing information for: 31204113978
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part 31204113978 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-411-3978

Item Name Code

13205

Assigment Date

08/20/1969 (56 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.

copper alloy 524 and steel comp o6 overall material, 0.6890 inches minimum and 0.6900 inches maximum body outside diameter, square all corners corner shape, 0.4990 inches minimum and 0.5010 inches maximum body inside diameter, 0.3750 inches nominal 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: 0.3750 inches nominal
Body Outside Diameter: 0.6890 inches minimum and 0.6900 inches maximum
Body Inside Diameter: 0.4990 inches minimum and 0.5010 inches maximum
Corner Shape: square all corners
Material: copper alloy 524 and steel comp o6 overall
Material Document And Classification: qq-b-746,comp d, fed spec all material responses and qq-s-628,cl b fed spec all material responses overall
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
10903271	Sleeve Bearing
3120004113978	Sleeve Bearing
31204113978	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-411-3978?

The FSCG of the NSN 3120-00-411-3978 is 3120

Does the NSN 3120-00-411-3978 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-411-3978 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 3120-00-411-3978 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-411-3978 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 3120-00-411-3978 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Wed, Aug 20, 1969