LK1226-14
View detailed technical data, stock status, and sourcing information for: LK1226-14
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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.
1.428 inches minimum and 1.458 inches maximum fastener length, 0.553 inches minimum and 0.603 inches maximum thread length, 3a thread class, right-hand thread direction, dished hexagon head style
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
- 0.553 inches minimum and 0.603 inches maximum
- Fastener Length
- 1.428 inches minimum and 1.458 inches maximum
- Head Style
- dished hexagon
- Head Height
- 0.188 inches minimum and 0.203 inches maximum
- Width Between Flats
- 0.553 inches minimum and 0.564 inches maximum
- Grip Diameter
- 0.3735 inches minimum and 0.3745 inches maximum
- Nominal Thread Diameter
- 0.375 inches
- Grip Length
- 0.865 inches minimum and 0.885 inches maximum
- Thread Quantity Per Inch
- 24
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
- Special Features
- with button,strip or patch type element in threads for locking feature
- 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 and chromate overall
- Surface Treatment Document And Classification
- qq-p-416 ty 2 cl 3 fed spec all treatment responses overall
- Thread Series Designator
- unjf
- Specification/Standard Data
- 80205-nas1246 professional/industrial association standard
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 |
|---|---|
| LK1226-14 | Shear Bolt |
| NAS1226-14 | Shear Bolt |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5306-00-905-9904?
Does the NSN 5306-00-905-9904 have a Schedule B code assigned?
Does NSN 5306-00-905-9904 require demilitarization?
Does NSN 5306-00-905-9904 contain precious materials?
Does NSN 5306-00-905-9904 contain hazardous materials?
When the NSN 5306-00-905-9904 was assigned to the Federal Catalog?
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