2640-859X1PC12
View detailed technical data, stock status, and sourcing information for: 2640-859X1PC12
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An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes:straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also washer, flat and spacer, sleeve.
round center hole shape style, 0.1200 inches minimum and 0.1300 inches maximum overall thickness, 2.1100 inches minimum and 2.1200 inches maximum outside diameter, 1.7570 inches minimum and 1.7670 inches maximum diameter, rectangular cross-sectional shape style
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
- 2.1100 inches minimum and 2.1200 inches maximum
- Center Hole Shape Style
- round
- Diameter
- 1.7570 inches minimum and 1.7670 inches maximum
- Overall Thickness
- 0.1200 inches minimum and 0.1300 inches maximum
- Corner Shape
- square all corners
- Surface Finish
- 125.0 microinches largest outside diameter
- Surface Finish
- 125.0 microinches inside diameter surface of body
- Surface Finish
- 63.0 microinches left side
- Surface Finish
- 63.0 microinches right side
- Material
- lubricant lubrication
- Material
- plastic polyamide (nylon) and graphite 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 |
|---|---|
| 2640-808X01 PC13 | Thrust Washer Bearing |
| 2640-808X1PC13 | Thrust Washer Bearing |
| 2640-859X1PC12 | Thrust Washer Bearing |
| 845-4687577 ITEM45 | Thrust Washer Bearing |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 3120-00-813-3749?
Does the NSN 3120-00-813-3749 have a Schedule B code assigned?
Does NSN 3120-00-813-3749 require demilitarization?
Does NSN 3120-00-813-3749 contain precious materials?
Does NSN 3120-00-813-3749 contain hazardous materials?
When the NSN 3120-00-813-3749 was assigned to the Federal Catalog?
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