5306-00-725-9749
Find complete technical information, availability, and procurement data for: 5306-00-725-9749
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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.)
0.845 inches minimum and 0.875 inches maximum fastener length, double hexagon w/hole head style, right-hand thread direction, 0.460 inches minimum and 0.510 inches maximum thread length, 3a 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
- 3a
- Thread Direction
- right-hand
- Thread Length
- 0.460 inches minimum and 0.510 inches maximum
- Fastener Length
- 0.845 inches minimum and 0.875 inches maximum
- Head Style
- double hexagon w/hole
- Head Height
- 0.290 inches minimum and 0.310 inches maximum
- Width Between Flats
- 0.306 inches minimum and 0.315 inches maximum
- Extended Washer Diameter
- 0.428 inches minimum and 0.438 inches maximum
- Extended Washer Thickness
- 0.059 inches minimum and 0.079 inches maximum
- Grip Diameter
- 0.2485 inches minimum and 0.2495 inches maximum
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.365 inches minimum and 0.385 inches maximum
- Thread Quantity Per Inch
- 28
- Minimum Tensile Strength
- 180000 pounds per square inch
- Hardness Rating
- 39.0 rockwell c minimum and 43.0 rockwell c maximum overall
- Material
- steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 overall
- Material Document And Classification
- mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6049 mil spec 5th material response overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- nas 672 assn std single treatment response overall
- Thread Series Designator
- unf
- Specification/Standard Data
- 80205-nas624 professional/industrial association standard
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5306-01-061-2969 | No Name Available | 06/04/2021 |
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 |
|---|---|
| BACB30FD4-6 | Shear Bolt |
| NAS624-6 | Shear Bolt |
FAQs
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What is the FSCG of the NSN 5306-00-725-9749?
Does the NSN 5306-00-725-9749 have a Schedule B code assigned?
Does NSN 5306-00-725-9749 require demilitarization?
Does NSN 5306-00-725-9749 contain precious materials?
Does NSN 5306-00-725-9749 contain hazardous materials?
When the NSN 5306-00-725-9749 was assigned to the Federal Catalog?
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