5305-01-309-6540
Find complete technical information, availability, and procurement data for: 5305-01-309-6540
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An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
0.651 inches minimum and 0.781 inches maximum thread length, hexagon head style, 0.734 inches minimum and 0.781 inches maximum fastener length, 3a thread class, 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
- 0.651 inches minimum and 0.781 inches maximum
- Fastener Length
- 0.734 inches minimum and 0.781 inches maximum
- Head Style
- hexagon
- Head Height
- 0.552 inches minimum
- Width Between Flats
- 0.492 inches minimum and 0.502 inches maximum
- Internal Drive Style
- cross recess type 1
- Nominal Thread Diameter
- 0.375 inches
- 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
- Screw Material
- steel comp e4340 or steel comp 8740
- Screw Material Document And Classification
- mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or ams 6322 assn std 2nd material response
- Screw Surface Treatment
- cadmium and chromate
- Screw Surface Treatment Document And Classification
- qq-p-416 ty 2,cl 2 fed spec single treatment response
- Bearing Surface Of Head Surface Finish
- 63.0 microinches
- Shank Surface Finish
- 32.0 microinches
- Thread Surface Finish
- 32.0 microinches
- Thread Series Designator
- unjf
- Specification/Standard Data
- 80205-nas1801 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 |
|---|---|
| NAS1801-6-12 | Machine Screw |
FAQs
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