A101-12-78
View detailed technical data, stock status, and sourcing information for: A101-12-78
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A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
right-hand thread direction, 0.438 inches nominal width across flats, hexagon nut style, 0.266 inches nominal nut height, 2b thread class
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 2b
- Thread Direction
- right-hand
- Nut Style
- hexagon
- Nut Height
- 0.266 inches nominal
- Width Across Flats
- 0.438 inches nominal
- Thread Series
- unf
- Thread Quantity Per Inch
- 24
- Nominal Thread Size
- 0.312 inches
- Bearing Surface Type
- flat or chamfered
- Material
- steel overall
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5310-00-700-5726 | No Name Available | 01/02/1975 |
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 |
|---|---|
| A101-12-78 | Hexagon Plain Nut |
| A11450 | Hexagon Plain Nut |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-00-148-8809?
Does the NSN 5310-00-148-8809 have a Schedule B code assigned?
Does NSN 5310-00-148-8809 require demilitarization?
Does NSN 5310-00-148-8809 contain precious materials?
Does NSN 5310-00-148-8809 contain hazardous materials?
When the NSN 5310-00-148-8809 was assigned to the Federal Catalog?
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Pricing
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