166253PC6
View detailed technical data, stock status, and sourcing information for: 166253PC6
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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.
right-hand thread direction, 0.750 inches nominal thread length, flat chamfer head style, 3a thread class, 0.750 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
- 0.750 inches nominal
- Fastener Length
- 0.750 inches nominal
- Head Style
- flat chamfer
- Head Diameter
- 0.367 inches minimum and 0.375 inches maximum
- Head Height
- 0.244 inches minimum and 0.250 inches maximum
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.250 inches
- Width Across Flats
- 0.187 inches minimum and 0.189 inches maximum
- Thread Quantity Per Inch
- 20
- Material
- steel overall
- Surface Treatment
- zinc overall
- Surface Treatment Document And Classification
- qq-z-325 cl 3 ty 2 fed spec single treatment response overall
- Thread Series Designator
- unc
- Nondefinitive Spec/Std Data
- c type
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 |
|---|---|
| 12Z51PC323 | Socket Head Cap Screw |
| 166253PC6 | Socket Head Cap Screw |
| 196825PC4 | Socket Head Cap Screw |
| 709174PC84 | Socket Head Cap Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-281-3174?
Does the NSN 5305-00-281-3174 have a Schedule B code assigned?
Does NSN 5305-00-281-3174 require demilitarization?
Does NSN 5305-00-281-3174 contain precious materials?
Does NSN 5305-00-281-3174 contain hazardous materials?
When the NSN 5305-00-281-3174 was assigned to the Federal Catalog?
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