3M9-4-6
View detailed technical data, stock status, and sourcing information for: 3M9-4-6
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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, right-hand thread direction, 2a thread class, 0.679 inches minimum and 0.741 inches maximum thread length, 0.750 inches minimum and 0.812 inches maximum fastener length
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 2a
- Thread Direction
- right-hand
- Thread Length
- 0.679 inches minimum and 0.741 inches maximum
- Fastener Length
- 0.750 inches minimum and 0.812 inches maximum
- Head Style
- hexagon
- Head Height
- 0.120 inches minimum and 0.140 inches maximum
- Width Between Flats
- 0.615 inches minimum and 0.627 inches maximum
- Nominal Thread Diameter
- 0.250 inches
- Features Provided
- finished head
- Thread Quantity Per Inch
- 28
- Minimum Tensile Strength
- 125000 pounds per square inch
- Material
- steel comp 4130 or steel comp 4140 or steel comp 4037 or steel comp 8630 or steel comp 8735 or steel comp 8740 overall
- Material Document And Classification
- mil-s-6758 mil spec 1st material response or mil-s-5626 mil spec 2nd material response or mil-s-8695 mil spec 3rd material response or mil-s-6050 mil spec 4th material response or mil-s-6098 mil spec 5th material response or mil-s-6049 mil spec 6th material response overall
- Surface Treatment
- cadmium and zinc overall
- Surface Treatment Document And Classification
- qq-p-416ty1cl2 fed spec 1st treatment response and qq-z-325 fed spec 2nd treatment response overall
- Thread Series Designator
- unf
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 |
|---|---|
| 3M9-4-6 | Machine Bolt |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5306-00-059-2602?
Does the NSN 5306-00-059-2602 have a Schedule B code assigned?
Does NSN 5306-00-059-2602 require demilitarization?
Does NSN 5306-00-059-2602 contain precious materials?
Does NSN 5306-00-059-2602 contain hazardous materials?
When the NSN 5306-00-059-2602 was assigned to the Federal Catalog?
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