NAS149ADH46
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An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes:setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.
0.850 inches minimum and 0.900 inches maximum thread length, 2.860 inches minimum and 2.890 inches maximum fastener length, right-hand thread direction, 3a thread class, bevel-conical 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
- 0.850 inches minimum and 0.900 inches maximum
- Fastener Length
- 2.860 inches minimum and 2.890 inches maximum
- Head Style
- bevel-conical
- Head Diameter
- 0.927 inches minimum and 0.938 inches maximum
- Head Height
- 0.529 inches nominal
- Hole Diameter
- 0.070 inches nominal
- Shank Unthreaded Hole Diameter
- 0.141 inches minimum and 0.146 inches maximum first hole
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.562 inches
- Width Across Flats
- 0.500 inches minimum and 0.503 inches maximum
- Hole Quantity
- 6
- Hole Type
- drilled
- Thread Quantity Per Inch
- 18
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hole Configuration Style
- round
- Distance From Head Largest Bearing Surface To Shank Hole Center
- 2.662 inches minimum and 2.682 inches maximum first hole
- Material
- steel comp e4340 or steel comp 8740 or steel comp 6150 or steel comp 3140 or steel comp 3135 overall
- Material Document And Classification
- mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or qq-s-634 fed spec 4th material response or qq-s-624 fed spec 5th material response overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- qq-p-416,type 2,class 3 fed spec single treatment response overall
- Thread Series Designator
- unjf
- Specification/Standard Data
- 80205-nas149 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 |
|---|---|
| NAS149ADH46 | Internal Wrenching Bolt |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5306-00-149-9940?
Does the NSN 5306-00-149-9940 have a Schedule B code assigned?
Does NSN 5306-00-149-9940 require demilitarization?
Does NSN 5306-00-149-9940 contain precious materials?
Does NSN 5306-00-149-9940 contain hazardous materials?
When the NSN 5306-00-149-9940 was assigned to the Federal Catalog?
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