120978-4-6R
View detailed technical data, stock status, and sourcing information for: 120978-4-6R
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A device of various shapes to be permanently attached to the structure of an aircraft. It is designed to permanently mount and/or support an integral member, or group of members of the airframe in a proper position and bear the stress imposed by the components being supported. It may have mounting provisions, such as slots, holes, and/or attachments to facilitate installation. Excludes:items which are primarily designed for dampening shock and/or vibration. Excludes:bracket, angle; bracket, double angle; bracket, shelf; bracket, mounting; bracket (1), structural component, aircraft; and radius block.
spline drive shear head head style, 3a thread class, right-hand thread direction, 0.704 inches nominal fastener length, 0.370 inches nominal 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
- 0.370 inches nominal
- Fastener Length
- 0.704 inches nominal
- Head Style
- spline drive shear head
- Head Height
- 0.164 inches nominal
- Grip Diameter
- 0.2483 inches minimum and 0.2492 inches maximum
- Head Minor Diameter
- 0.359 inches minimum and 0.380 inches maximum
- End Item Identification
- f-16 aircraft
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.250 inches nominal
- Thread Quantity Per Inch
- 28
- Minimum Tensile Strength
- 6980 pounds per square inch
- Hardness Rating
- 46.0 rockwell c minimum and 50.0 rockwell c maximum overall
- Part Name Assigned By Controlling Agency
- bolt,external wrenching,spline drive,132 ksi shear
- Special Features
- threads .0156 oversize, restricted to repair work only
- Material
- steel comp h11 overall
- Material Document And Classification
- ams6487 assn std single material response overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- nas672 assn std single treatment response overall
- Thread Series Designator
- unjf
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 |
|---|---|
| 120978-4-6R | Close Tolerance Bolt |
| AIC596-4-6R | Close Tolerance Bolt |
| C7521-4-6R | Close Tolerance Bolt |
| H411-4-6R | Close Tolerance Bolt |
| PBF7521-4-6R | Close Tolerance Bolt |
| VCG0009-4-6R | Close Tolerance Bolt |
| VS3133-4-6R | Close Tolerance Bolt |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5306-01-522-1729?
Does the NSN 5306-01-522-1729 have a Schedule B code assigned?
Does NSN 5306-01-522-1729 require demilitarization?
Does NSN 5306-01-522-1729 contain precious materials?
Does NSN 5306-01-522-1729 contain hazardous materials?
When the NSN 5306-01-522-1729 was assigned to the Federal Catalog?
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