3120-01-237-1073

Find complete technical information, availability, and procurement data for: 3120-01-237-1073
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-237-1073

Item Name Code

13206

Assigment Date

07/24/1986 (40 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).

0.3745 inches minimum and 0.3760 inches maximum body inside diameter, grooved circular lubricant accommodation style, chamfered outside right corner corner shape, 0.5050 inches minimum and 0.5100 inches maximum overall length, 0.5595 inches minimum and 0.5605 inches maximum body outside 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: 0.5050 inches minimum and 0.5100 inches maximum
Body Outside Diameter: 0.5595 inches minimum and 0.5605 inches maximum
Body Inside Diameter: 0.3745 inches minimum and 0.3760 inches maximum
Lubricant Accommodation Style: grooved circular
Corner Shape: chamfered outside right corner
Corner Shape: chamfered outside left corner
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Surface Finish: 125.0 microinches inside diameter surface of body
Surface Finish: 125.0 microinches left end surface
Surface Finish: 125.0 microinches right end surface
Surface Finish: 63.0 microinches outside diameter surface of body
Surface Groove Location And Quantity: 1 external
Functional Description: clamp-up to shaft appl
Material: steel comp 4130 and steel comp 8630 overall
Material Document And Classification: mil-s-6758 mil spec 1st material response or mil-s-6050 mil spec 2nd material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 2 fed spec all treatment responses overall
Style Designator: solid, plain, no outside flanges
Specification/Standard Data: 80205-nas73 professional/industrial association standard