HT8171H6-7
View detailed technical data, stock status, and sourcing information for: HT8171H6-7
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An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.
3a thread class, flat countersunk head style, 0.982 inches minimum and 1.029 inches maximum fastener length, right-hand thread direction, 0.534 inches minimum and 0.601 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
- 0.534 inches minimum and 0.601 inches maximum
- Fastener Length
- 0.982 inches minimum and 1.029 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.698 inches minimum and 0.762 inches maximum
- Grip Diameter
- 0.3733 inches minimum and 0.3742 inches maximum
- Shank Unthreaded Hole Diameter
- 0.106 inches nominal first hole
- Internal Drive Style
- high-torque
- Nominal Thread Diameter
- 0.375 inches
- Grip Length
- 0.428 inches minimum and 0.448 inches maximum
- Thread Quantity Per Inch
- 24
- Minimum Tensile Strength
- 220000 pounds per square inch
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Distance From Head Largest Bearing Surface To Shank Hole Center
- 0.689 inches minimum and 0.721 inches maximum first hole
- Material
- steel overall
- Material Document And Classification
- sps-m-107 fscm 56878 mfr ref single material response overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- nas 672 assn std 1st treatment response or mil-c-8837 ty 2 cl 2 mil spec 2nd 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 |
|---|---|
| 106706H6-7 | Close Tolerance Screw |
| GB510BC6-7 | Close Tolerance Screw |
| HT8171-6-7 | Close Tolerance Screw |
| HT8171H6-7 | Close Tolerance Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-218-4686?
Does the NSN 5305-00-218-4686 have a Schedule B code assigned?
Does NSN 5305-00-218-4686 require demilitarization?
Does NSN 5305-00-218-4686 contain precious materials?
Does NSN 5305-00-218-4686 contain hazardous materials?
When the NSN 5305-00-218-4686 was assigned to the Federal Catalog?
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