A1C485-1
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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.)
0.734 inches minimum and 0.766 inches maximum fastener length, 3a thread class, 0.234 inches minimum and 0.266 inches maximum thread length, knurled no. 4 head style, right-hand thread direction
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 3a
- Thread Direction
- right-hand
- Thread Length
- 0.234 inches minimum and 0.266 inches maximum
- Fastener Length
- 0.734 inches minimum and 0.766 inches maximum
- Head Style
- knurled no. 4
- Head Diameter
- 0.262 inches minimum and 0.270 inches maximum
- Head Height
- 0.159 inches minimum and 0.164 inches maximum
- First Diameter From Head
- 0.164 inches nominal
- Second Diameter From Head
- 0.105 inches minimum and 0.115 inches maximum
- Distance From Largest Bearing Surface Of Head To End Of First Diameter
- 0.047 inches nominal
- Distance From Largest Bearing Surface Of Head To End Of Second Diameter
- 0.500 inches nominal
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.164 inches
- Width Across Flats
- 0.141 inches minimum and 0.143 inches maximum
- Thread Quantity Per Inch
- 32
- Minimum Tensile Strength
- 160000 pounds per square inch
- Surface Finish
- 63.0 microinches overall
- Material
- iron alloy 660 overall
- Material Document And Classification
- ams 5737 assn std single material response overall
- Surface Treatment
- passivate overall
- Surface Treatment Document And Classification
- qq-p-35 fed spec single treatment response overall
- Thread Series Designator
- unjc
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FAQs
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What is the FSCG of the NSN 5306-00-413-6258?
Does the NSN 5306-00-413-6258 have a Schedule B code assigned?
Does NSN 5306-00-413-6258 require demilitarization?
Does NSN 5306-00-413-6258 contain precious materials?
Does NSN 5306-00-413-6258 contain hazardous materials?
When the NSN 5306-00-413-6258 was assigned to the Federal Catalog?
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