C7984B4-7
View detailed technical data, stock status, and sourcing information for: C7984B4-7
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An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.
0.8075 inches nominal fastener length, right-hand thread direction, flat countersunk head style, 3a thread class, 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
- 0.8075 inches nominal
- Head Style
- flat countersunk
- Head Diameter
- 0.447 inches minimum and 0.507 inches maximum
- Head Height
- 0.108 inches nominal
- Grip Diameter
- 0.2485 inches minimum and 0.2495 inches maximum
- Internal Drive Style
- offset cruciform (torque set)
- End Item Identification
- f16
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.4375 inches nominal
- Features Provided
- dry film lubricant
- 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
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Material
- steel comp h11 overall
- Material Document And Classification
- ams6487 national std/spec single material response overall
- Surface Treatment
- aluminum and chromate overall
- Surface Treatment Document And Classification
- mil-c-83488, type ii, class 3 mil spec 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 |
|---|---|
| 121557-4-A7B | Close Tolerance Screw |
| AIC984B4-7 | Close Tolerance Screw |
| C7984B4-7 | Close Tolerance Screw |
| H044B4-7 | Close Tolerance Screw |
| PBF1165B4-7 | Close Tolerance Screw |
| VT1693AS4-7 | Close Tolerance Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-01-692-5573?
Does the NSN 5305-01-692-5573 have a Schedule B code assigned?
Does NSN 5305-01-692-5573 require demilitarization?
Does NSN 5305-01-692-5573 contain precious materials?
Does NSN 5305-01-692-5573 contain hazardous materials?
When the NSN 5305-01-692-5573 was assigned to the Federal Catalog?
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