4M139BCP4-08

View detailed technical data, stock status, and sourcing information for: 4M139BCP4-08
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-212-7954

Item Name Code

13206

Assigment Date

07/18/1985 (41 years ago)

An item designed to suppress undesired (interfering) frequencies and have a minimal effect on the desired frequencies when inserted in an electrical power circuit. Excludes:items which consist of a single capacitor, inductor, resistor, or devices consisting of only two or more circuit elements of the same basic name. Excludes:filter, low pass and suppressor, ignition interference. For items designed to be inserted in a line which is primarily intended to carry high frequency waves modulated with signals, such as antenna lead-in, see filter, band suppression and filter, band pass. See also limiter, electrical noise.

0.3766 inches minimum and 0.3771 inches maximum body outside diameter, 0.1350 inches minimum and 0.1470 inches maximum overall length, 0.2435 inches minimum and 0.2450 inches maximum body inside diameter, 0.0600 inches minimum and 0.0620 inches maximum flange width, 0.4900 inches minimum and 0.5100 inches maximum 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: 0.1350 inches minimum and 0.1470 inches maximum
Body Outside Diameter: 0.3766 inches minimum and 0.3771 inches maximum
Body Inside Diameter: 0.2435 inches minimum and 0.2450 inches maximum
Flange Outside Diameter: 0.4900 inches minimum and 0.5100 inches maximum
Flange Width: 0.0600 inches minimum and 0.0620 inches maximum
Corner Shape: square left flange outside right corner
Corner Shape: square outside left corner
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Corner Shape: square outside right corner
Corner Shape: undercut left flange body corner
Material: copper alloy 172 or copper alloy 173 overall
Material Document And Classification: qq-c-530 fed spec single 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 2 fed spec single treatment response left end surface of body and flange
Surface Treatment Document And Classification: qq-p-416,type 2,class 2 fed spec single treatment response outside diameter surface of flange
Surface Treatment Document And Classification: qq-p-416,type 2,class 2 fed spec single treatment response outside diameter surface of body
Surface Treatment Document And Classification: qq-p-416,type 2,class 2 fed spec single treatment response right end surface of body
Surface Treatment Document And Classification: qq-p-416,type 2,class 2 fed spec single treatment response right end surface of left flange
Style Designator: solid, external flange one end
Specification/Standard Data: 76301-st4-139 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
4M139BCP4-08	Sleeve Bushing
ST4M139BCP4-08	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-01-212-7954?

The FSCG of the NSN 3120-01-212-7954 is 3120

Does the NSN 3120-01-212-7954 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-01-212-7954 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 3120-01-212-7954 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-212-7954 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 3120-01-212-7954 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Thu, Jul 18, 1985