3120-00-769-7428
Find complete technical information, availability, and procurement data for: 3120-00-769-7428
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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.
2.6250 inches nominal outside diameter, round w/round keyway center hole shape style, 0.7656 inches nominal diameter, 2.5625 inches nominal width, 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
- Width
- 2.5625 inches nominal
- Outside Diameter
- 2.6250 inches nominal
- Center Hole Shape Style
- round w/round keyway
- Diameter
- 0.7656 inches nominal
- Overall Thickness
- 0.0615 inches minimum and 0.0635 inches maximum
- Center Hole Keyway Depth
- 0.2188 inches nominal
- Center Hole Keyway Radius
- 0.5312 inches nominal
- Center Hole Keyway Quantity
- 1
- Corner Shape
- square all corners
- Lubrication Feature
- groove flat bearing surface
- Special Features
- peripheral flat to have one prebent key
- Material
- copper alloy overall
- Surface Condition
- ground
- Style Designator
- round w/flat
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 3120-00-345-3258 | No Name Available | 01/01/1963 |
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 |
|---|---|
| 640409 | Thrust Washer Bearing |
FAQs
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Does the NSN 3120-00-769-7428 have a Schedule B code assigned?
Does NSN 3120-00-769-7428 require demilitarization?
Does NSN 3120-00-769-7428 contain precious materials?
Does NSN 3120-00-769-7428 contain hazardous materials?
When the NSN 3120-00-769-7428 was assigned to the Federal Catalog?
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