NAS77A4-011
View detailed technical data, stock status, and sourcing information for: NAS77A4-011
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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.
0.0570 inches minimum and 0.0620 inches maximum flange width, 0.2500 inches minimum and 0.2515 inches maximum body inside diameter, 0.1720 inches nominal overall length, 0.4900 inches minimum and 0.5100 inches maximum flange outside diameter, 0.3756 inches minimum and 0.3761 inches maximum body 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
- 0.1720 inches nominal
- Body Outside Diameter
- 0.3756 inches minimum and 0.3761 inches maximum
- Body Inside Diameter
- 0.2500 inches minimum and 0.2515 inches maximum
- Flange Outside Diameter
- 0.4900 inches minimum and 0.5100 inches maximum
- Flange Width
- 0.0570 inches minimum and 0.0620 inches maximum
- Corner Shape
- chamfered inside left corner
- Corner Shape
- chamfered inside right corner
- Corner Shape
- square left flange outside right corner
- Corner Shape
- square outside left corner
- Corner Shape
- square outside right corner
- Corner Shape
- undercut left flange body corner
- Surface Finish
- 100.0 microinches intermediate layer
- Material
- copper alloy 642 overall
- Material Document And Classification
- qq-c-465 fed spec single material response overall
- Style Designator
- solid, external flange one end
- Specification/Standard Data
- 80205-nas77 professional/industrial association 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 |
|---|---|
| NAS77A4-011 | Sleeve Bushing |
| NAS77A4-11 | Sleeve Bushing |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 3120-00-662-1248?
Does the NSN 3120-00-662-1248 have a Schedule B code assigned?
Does NSN 3120-00-662-1248 require demilitarization?
Does NSN 3120-00-662-1248 contain precious materials?
Does NSN 3120-00-662-1248 contain hazardous materials?
When the NSN 3120-00-662-1248 was assigned to the Federal Catalog?
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Pricing
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In Stock
This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.
| New Material | 991 |
| New Surplus | 34 |
| Total | 1,025 |