5306-00-638-9954
Find complete technical information, availability, and procurement data for: 5306-00-638-9954
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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.
3a thread class, 0.563 inches minimum and 0.656 inches maximum thread length, 0.625 inches minimum and 0.687 inches maximum fastener length, crowned hexagon 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
- 0.563 inches minimum and 0.656 inches maximum
- Fastener Length
- 0.625 inches minimum and 0.687 inches maximum
- Head Style
- crowned hexagon
- Head Height
- 0.109 inches nominal
- Width Between Flats
- 0.365 inches minimum and 0.377 inches maximum
- Nominal Thread Diameter
- 0.190 inches
- Grip Length
- 0.031 inches minimum and 0.062 inches maximum
- Features Provided
- finished head
- Thread Quantity Per Inch
- 32
- Minimum Tensile Strength
- 125000 pounds per square inch
- Hardness Rating
- 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
- Special Features
- slot in thd end 0.031 in. min 0.047 in. max by 0.047 in. min 0.067 in. max deep
- Material
- steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4130 or steel comp 4037 or steel comp 4140 overall
- Material Document And Classification
- mil-s-6049 mil spec 1st material response or mil-s-6050 mil spec 2nd material response or mil-s-6098 mil spec 3rd material response or mil-s-6758 mil spec 4th material response or ams 6300 assn std 5th material response or mil-s-5626 mil spec 6th 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
- unf
- Specification/Standard Data
- 80205-nas428 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 |
|---|---|
| NAS428K3-5 | Machine Bolt |
FAQs
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