KJB127981B

View detailed technical data, stock status, and sourcing information for: KJB127981B
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-194-4257

Item Name Code

13205

Assigment Date

11/14/1984 (41 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).

5.2495 inches minimum and 5.2515 inches maximum body outside diameter, 1.4850 inches minimum and 1.5150 inches maximum overall length, 5.7500 inches nominal flange outside diameter, 0.0910 inches minimum and 0.0970 inches maximum flange width, 5.0680 inches minimum and 5.0730 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.

Overall Length: 1.4850 inches minimum and 1.5150 inches maximum
Body Outside Diameter: 5.2495 inches minimum and 5.2515 inches maximum
Body Inside Diameter: 5.0680 inches minimum and 5.0730 inches maximum
Flange Outside Diameter: 5.7500 inches nominal
Flange Width: 0.0910 inches minimum and 0.0970 inches maximum
Corner Shape: round inside left corner
Corner Shape: round left flange body corner
Corner Shape: square left flange outside right corner
Corner Shape: square outside left corner
Corner Shape: square inside right corner
Corner Shape: square outside right corner
Material: steel comp 630 overall
Surface Treatment: plastic polytetrafluoroethylene inside diameter surface of body
Surface Treatment: plastic polytetrafluoroethylene left end surface of body and flange
Surface Treatment Document And Classification: 50632karon mfr ref single treatment response left end surface of body and flange
Surface Treatment Document And Classification: 50632karon mfr ref single treatment response inside diameter surface of body
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
KJB127981B	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-194-4257?

The FSCG of the NSN 3120-01-194-4257 is 3120

Does the NSN 3120-01-194-4257 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-194-4257 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 3120-01-194-4257 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-194-4257 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 3120-01-194-4257 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Wed, Nov 14, 1984