MS20073-05-07
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An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.
hexagon head style, 3a thread class, 0.515 inches minimum thread length, 0.906 inches minimum and 0.954 inches maximum fastener length, 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
- 0.515 inches minimum
- Fastener Length
- 0.906 inches minimum and 0.954 inches maximum
- Head Style
- hexagon
- Head Height
- 0.266 inches minimum and 0.297 inches maximum
- Width Between Flats
- 0.492 inches minimum and 0.501 inches maximum
- Hole Diameter
- 0.070 inches nominal
- Nominal Thread Diameter
- 0.312 inches
- Grip Length
- 0.375 inches nominal
- Hole Quantity
- 3
- Hole Type
- drilled
- Features Provided
- finished head
- Thread Quantity Per Inch
- 24
- Hardness Rating
- 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
- Minimum Yield Strength
- 125000 pounds per square inch
- Hole Configuration Style
- hexagon flats
- Material
- steel comp 4140 or steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4130 or steel comp 4037 overall
- Material Document And Classification
- mil-s-5626 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or mil-s-6050 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6758 mil spec 5th material response or mil-s-8695 mil spec 6th material response overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,ty2,cl3 fed spec single treatment response overall
- Thread Series Designator
- unf
- Departure From Cited Document
- modified by metallic hardness rating and minimum yield strength
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5306-00-150-9297 | No Name Available | 04/01/1986 |
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 |
|---|---|
| 289-91A | Machine Bolt |
| AN75-7 | Machine Bolt |
| MS20073-05-07 | Machine Bolt |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5306-00-061-3007?
Does the NSN 5306-00-061-3007 have a Schedule B code assigned?
Does NSN 5306-00-061-3007 require demilitarization?
Does NSN 5306-00-061-3007 contain precious materials?
Does NSN 5306-00-061-3007 contain hazardous materials?
When the NSN 5306-00-061-3007 was assigned to the Federal Catalog?
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