639AS627-2

View detailed technical data, stock status, and sourcing information for: 639AS627-2
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-054-5983

Item Name Code

13211

Assigment Date

01/22/1978 (48 years ago)

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes:washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

rectangular cross-sectional shape style, 0.0055 inches minimum and 0.0065 inches maximum overall thickness, 0.0960 inches minimum and 0.0970 inches maximum diameter, round center hole shape style, 0.1410 inches minimum and 0.1460 inches maximum 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: rectangular
Outside Diameter: 0.1410 inches minimum and 0.1460 inches maximum
Center Hole Shape Style: round
Diameter: 0.0960 inches minimum and 0.0970 inches maximum
Overall Thickness: 0.0055 inches minimum and 0.0065 inches maximum
Corner Shape: square all corners
Surface Finish: 16.0 microinches right side
Surface Finish: 16.0 microinches left side
Material: copper alloy 260 or copper alloy 268 overall
Material Document And Classification: qq-b-613 fed spec all material responses overall
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
639AS627-2	Thrust Washer Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-054-5983?

The FSCG of the NSN 3120-01-054-5983 is 3120

Does the NSN 3120-01-054-5983 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105008

Does NSN 3120-01-054-5983 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 3120-01-054-5983 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-054-5983 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 3120-01-054-5983 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sun, Jan 22, 1978