S39FS420-14C
View detailed technical data, stock status, and sourcing information for: S39FS420-14C
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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.
0.844 inches minimum and 0.875 inches maximum fastener length, right-hand thread direction, 2a thread class, flat countersunk head style, 0.634 inches minimum and 0.765 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
- 2a
- Thread Direction
- right-hand
- Thread Length
- 0.634 inches minimum and 0.765 inches maximum
- Fastener Length
- 0.844 inches minimum and 0.875 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.442 inches minimum and 0.507 inches maximum
- Locking Feature
- strip threads
- Internal Drive Style
- slot
- Nominal Thread Diameter
- 0.250 inches
- Thread Quantity Per Inch
- 20
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Part Name Assigned By Controlling Agency
- navy special project
- Material
- steel overall
- Surface Treatment
- cadmium overall
- Thread Series Designator
- unc
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 |
|---|---|
| S39FS420-14C | Socket Head Cap Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-125-5958?
Does the NSN 5305-00-125-5958 have a Schedule B code assigned?
Does NSN 5305-00-125-5958 require demilitarization?
Does NSN 5305-00-125-5958 contain precious materials?
Does NSN 5305-00-125-5958 contain hazardous materials?
When the NSN 5305-00-125-5958 was assigned to the Federal Catalog?
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