NAS148A50
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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.
right-hand thread direction, bevel-conical head style, 3.110 inches minimum and 3.140 inches maximum fastener length, 3a thread class, 0.788 inches minimum and 0.838 inches maximum thread 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
- 3a
- Thread Direction
- right-hand
- Thread Length
- 0.788 inches minimum and 0.838 inches maximum
- Fastener Length
- 3.110 inches minimum and 3.140 inches maximum
- Head Style
- bevel-conical
- Head Diameter
- 0.802 inches minimum and 0.813 inches maximum
- Head Height
- 0.396 inches minimum and 0.416 inches maximum
- Hole Diameter
- 0.070 inches minimum and 0.075 inches maximum
- Shank Unthreaded Hole Diameter
- 0.106 inches minimum and 0.111 inches maximum first hole
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.500 inches
- Width Across Flats
- 0.500 inches minimum and 0.503 inches maximum
- Hole Quantity
- 6
- Hole Type
- drilled
- Thread Quantity Per Inch
- 20
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hole Configuration Style
- round internal hexagon
- Distance From Head Largest Bearing Surface To Shank Hole Center
- 2.927 inches minimum and 2.947 inches maximum first hole
- Material
- steel comp e4340 or steel comp 8740 overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416 ty2 cl2 fed spec single treatment response overall
- Thread Series Designator
- unjf
- Specification/Standard Data
- 80205-nas148 professional/industrial association standard
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5306-01-015-4346 | No Name Available | 05/01/2008 |
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 |
|---|---|
| NAS148A50 | Internal Wrenching Bolt |
| NAS148ADH-50 | Internal Wrenching Bolt |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5306-01-263-8119?
Does the NSN 5306-01-263-8119 have a Schedule B code assigned?
Does NSN 5306-01-263-8119 require demilitarization?
Does NSN 5306-01-263-8119 contain precious materials?
Does NSN 5306-01-263-8119 contain hazardous materials?
When the NSN 5306-01-263-8119 was assigned to the Federal Catalog?
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