3120-01-266-4957

Find complete technical information, availability, and procurement data for: 3120-01-266-4957
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-266-4957

Item Name Code

13206

Assigment Date

10/26/1987 (38 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).

0.0570 inches minimum and 0.0620 inches maximum flange width, 0.6260 inches minimum and 0.6270 inches maximum body outside diameter, 0.7500 inches nominal flange outside diameter, 0.4995 inches minimum and 0.5005 inches maximum body inside diameter, 1.0307 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: 1.0307 inches nominal
Body Outside Diameter: 0.6260 inches minimum and 0.6270 inches maximum
Body Inside Diameter: 0.4995 inches minimum and 0.5005 inches maximum
Flange Outside Diameter: 0.7500 inches nominal
Flange Width: 0.0570 inches minimum and 0.0620 inches maximum
Corner Shape: square all corners
Special Features: groove optional on od,0.062 in.max w; 0.005 in. max deep; id protected with mil-c-16173 grade 2
Material: steel comp 4130 and 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

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
4B20S8-031	Sleeve Bushing
LD137-0008-6031	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-01-266-4957?

The FSCG of the NSN 3120-01-266-4957 is 3120

Does the NSN 3120-01-266-4957 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-01-266-4957 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 3120-01-266-4957 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-266-4957 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 3120-01-266-4957 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Mon, Oct 26, 1987