4140-00-254-7257
Find complete technical information, availability, and procurement data for: 4140-00-254-7257
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A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.
40.0 celsius ambient temp at full rated power, 2.094 inches nominal width, single speed speed adjustments, 3340.0 operating speed at rated capacity in rpm, 4.402 inches nominal length
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Speed Adjustments
- single speed
- Width
- 2.094 inches nominal
- Length
- 4.402 inches nominal
- Ambient Temp At Full Rated Power
- 40.0 celsius
- Operating Speed At Rated Capacity In Rpm
- 3340.0
- Electrical Connection Type
- wire lead
- Outlet Inside Width
- 2.031 inches nominal
- Outlet Inside Height
- 1.688 inches nominal
- Static Pressure At Specified Air Flow Rate
- 0.0 inches of water
- Drive Type
- direct
- Prime Mover Type
- electric motor
- Inclosure Type
- fully inclosed
- Mounting Facility Type And Quantity
- 4 unthreaded hole
- Rotation Direction For Which Designed
- counterclockwise
- Features Provided
- thermal protective device
- Air Flow Rate
- 54.000 cubic feet per minute maximum
- Outlet Location
- bottom or top
- Voltage In Volts And Current Type
- 115.0 ac
- Prime Mover Power Rating
- 0.067 horsepower
- Prime Mover Drive Shaft Bearing Type
- sleeve
- Discharge Direction
- angular down and angular up and horizontal and vertical down and vertical up
- Phase
- single
- Special Features
- wheel diameter 3.000 in., wheel width 1.500 in.
- Frequency In Hertz
- 60.0
- Height
- 4.656 inches nominal
- Material
- steel overall
- Surface Treatment
- enamel overall
- Style Designator
- fixed, rectangular outlets
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 4140-01-394-5286 | No Name Available | 08/01/2019 |
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FAQs
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When the NSN 4140-00-254-7257 was assigned to the Federal Catalog?
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