123AMM12136-5
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An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see bolt, fluid passage.
0.520 inches nominal thread length, 3a thread class, round w/wrench flats head style, right-hand thread direction, 1.750 inches nominal fastener 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
- 0.520 inches nominal
- Fastener Length
- 1.750 inches nominal
- Head Style
- round w/wrench flats
- Head Diameter
- 0.937 inches nominal
- Head Height
- 0.187 inches nominal
- Width Between Flats
- 0.745 inches minimum and 0.755 inches maximum
- Shoulder Diameter
- 0.5607 inches minimum and 0.5616 inches maximum
- Shoulder Length
- 1.230 inches nominal
- Shank Unthreaded Hole Diameter
- 0.061 inches minimum and 0.066 inches maximum first hole
- Concentric Hole Depth
- 1.718 inches minimum and 1.750 inches maximum
- Counterbore Diameter
- 0.125 inches minimum and 0.126 inches maximum
- Counterbore Depth
- 0.156 inches minimum and 0.187 inches maximum
- Concentric Hole Diameter
- 0.092 inches minimum and 0.097 inches maximum
- Nominal Thread Diameter
- 0.437 inches
- Thread Quantity Per Inch
- 20
- Minimum Tensile Strength
- 180000 pounds per square inch
- Hardness Rating
- 39.0 rockwell c minimum and 40.0 rockwell c maximum overall
- Distance From Head Largest Bearing Surface To Shank Hole Center
- 0.625 inches nominal first hole
- Special Features
- shoulder externally relieved 0.250 in. w by 0.031 in deep located 0.500 in. from head bearing surface
- Material
- steel comp 4340 overall
- Material Document And Classification
- mil-s-5000 mil spec single material response overall
- Surface Treatment
- cadmium overall
- Style Designator
- counterbore unthreaded
- Thread Series Designator
- unf
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 |
|---|---|
| 123AMM12136-5 | Internally Relieved Body Bolt |
FAQs
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What is the FSCG of the NSN 5306-00-076-5690?
Does the NSN 5306-00-076-5690 have a Schedule B code assigned?
Does NSN 5306-00-076-5690 require demilitarization?
Does NSN 5306-00-076-5690 contain precious materials?
Does NSN 5306-00-076-5690 contain hazardous materials?
When the NSN 5306-00-076-5690 was assigned to the Federal Catalog?
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