3120-01-275-7666

Find complete technical information, availability, and procurement data for: 3120-01-275-7666
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-275-7666

Item Name Code

13206

Assigment Date

03/25/1988 (38 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.

0.3120 inches minimum and 0.3130 inches maximum body inside diameter, 0.4385 inches minimum and 0.4390 inches maximum body outside diameter, 0.7207 inches nominal overall length, 0.0570 inches minimum and 0.0620 inches maximum flange width, 0.5620 inches nominal flange 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: 0.7207 inches nominal
Body Outside Diameter: 0.4385 inches minimum and 0.4390 inches maximum
Body Inside Diameter: 0.3120 inches minimum and 0.3130 inches maximum
Flange Outside Diameter: 0.5620 inches nominal
Flange Width: 0.0570 inches minimum and 0.0620 inches maximum
Lubricant Accommodation Style: grooved circular
Corner Shape: square all corners
Special Features: groove on od optional
Material: steel comp 4130 or steel comp 4135 overall
Material Document And Classification: mil-t-6736,cond n mil spec 1st material response or ams 6372 assn std 2nd material response overall
Surface Treatment: cadmium and chromate left end surface of body and flange
Surface Treatment: cadmium and chromate outside diameter surface of flange
Surface Treatment: cadmium and chromate outside diameter surface of body
Surface Treatment: cadmium and chromate right end surface of body
Surface Treatment: cadmium and chromate right end surface of left flange
Surface Treatment Document And Classification: qq-p-416,type 2,class 3 fed spec single treatment response outside diameter surface of body
Surface Treatment Document And Classification: qq-p-416,type 2,class 3 fed spec single treatment response left end surface of body and flange
Surface Treatment Document And Classification: qq-p-416,type 2,class 3 fed spec single treatment response outside diameter surface of flange
Surface Treatment Document And Classification: qq-p-416,type 2,class 3 fed spec single treatment response right end surface of body
Surface Treatment Document And Classification: qq-p-416,type 2,class 3 fed spec single treatment response right end surface of left flange
Style Designator: solid, external flange one end
Specification/Standard Data: 43999-ld137-0008 manufacturers standard

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
4B20S5-023	Sleeve Bushing
LD137-0008-3023	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-01-275-7666?

The FSCG of the NSN 3120-01-275-7666 is 3120

Does the NSN 3120-01-275-7666 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-01-275-7666 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 3120-01-275-7666 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-275-7666 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 3120-01-275-7666 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Fri, Mar 25, 1988