66117H-4-24
View detailed technical data, stock status, and sourcing information for: 66117H-4-24
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An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
flat countersunk head style, 3a thread class, 1.881 inches minimum and 1.928 inches maximum fastener length, 0.371 inches minimum and 0.438 inches maximum thread length, right-hand thread direction
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
- 0.371 inches minimum and 0.438 inches maximum
- Fastener Length
- 1.881 inches minimum and 1.928 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.497 inches minimum and 0.507 inches maximum
- Grip Diameter
- 0.2485 inches minimum and 0.2495 inches maximum
- Internal Drive Style
- high-torque
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 1.490 inches minimum and 1.510 inches maximum
- Thread Quantity Per Inch
- 28
- Minimum Tensile Strength
- 220000 pounds per square inch
- Hardness Rating
- 46.0 rockwell c minimum and 50.0 rockwell c maximum overall
- Countersink Angle
- 100.0 degrees nominal
- Material
- steel comp h11 overall
- Material Document And Classification
- ams 6487 assn std single material response overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- mac ps13145,ty 2,cl 3,fscm 18355 mfr ref 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 |
|---|---|
| 3M263-4-24 | Close Tolerance Screw |
| 66117H-4-24 | Close Tolerance Screw |
| HS2623-4Z-24 | Close Tolerance Screw |
| HT195-4-24 | Close Tolerance Screw |
| HT8115-4-24 | Close Tolerance Screw |
FAQs
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What is the FSCG of the NSN 5305-00-613-8257?
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Does NSN 5305-00-613-8257 require demilitarization?
Does NSN 5305-00-613-8257 contain precious materials?
Does NSN 5305-00-613-8257 contain hazardous materials?
When the NSN 5305-00-613-8257 was assigned to the Federal Catalog?
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