3120-00-253-7055

Find complete technical information, availability, and procurement data for: 3120-00-253-7055
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-253-7055

Item Name Code

13211

Assigment Date

07/18/1969 (57 years ago)

A transformer consisting of one or more primary winding(s) and one or more secondary winding(s). It may be designed for direct connection to an alternating current source for purposes of changing the secondary volts and amperes or designed to eliminate metallic interconnection between circuits in an overall one to one voltage ratio, with or without additional output windings, or items designed to automatically maintain a constant output voltage within specified limits under varying input or load conditions. Also includes items having a provision for mechanically changing the turns ratio or inductive coupling in progressive increments by means of voltage taps, ratio adjuster, or devices oe similar design. For transformers having winding(s) common to both input and output circuits, see transformer (1), power, autotransformer. Excludes:transformer (1), pulse.

round center hole shape style, 0.0600 inches nominal flange thickness, shouldered cross-sectional shape style, 1.8450 inches nominal diameter, 2.2500 inches nominal outside diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Cross-Sectional Shape Style: shouldered
Flange Thickness: 0.0600 inches nominal
Outside Diameter: 2.2500 inches nominal
Center Hole Shape Style: round
Diameter: 1.8450 inches nominal
Overall Thickness: 0.2500 inches nominal
Shank Outside Diameter: 2.1270 inches minimum and 2.1280 inches maximum
Corner Shape: square all corners
Material: copper alloy 841 or copper alloy overall
Material: oil lubricating lubrication
Material Document And Classification: mil-b-5687,type1 grade 1 mil spec 1st material response or mil-b-5687,type 1 grade 2 mil spec 2nd material response overall
Material Document And Classification: mil-l-7870 mil spec single material response lubrication
Surface Condition: ground
Style Designator: round

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
BAS24358	Thrust Washer Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-253-7055?

The FSCG of the NSN 3120-00-253-7055 is 3120

Does the NSN 3120-00-253-7055 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105008

Does NSN 3120-00-253-7055 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 3120-00-253-7055 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-253-7055 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 3120-00-253-7055 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, Jul 18, 1969