81X11
View detailed technical data, stock status, and sourcing information for: 81X11
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An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.
right-hand thread direction, 0.500 inches nominal fastener length, headless (setscrew) head style, 3a thread class, 0.500 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
- 0.500 inches maximum
- Fastener Length
- 0.500 inches nominal
- Head Style
- headless (setscrew)
- Point Style
- cup
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.190 inches
- Width Across Flats
- 0.094 inches nominal
- Thread Quantity Per Inch
- 24
- Hardness Rating
- 45.0 rockwell c minimum and 53.0 rockwell c maximum overall
- Material
- steel comp 4037 or steel comp 4137 or steel comp 4140 or steel comp 8630 or steel comp 8740 overall
- Material Document And Classification
- 66 fed std all material responses overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416 ty 2 cl 3 fed spec single treatment response overall
- Thread Series Designator
- unc
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-043-3653 | No Name Available | 08/10/1966 |
| 5305-00-237-6788 | No Name Available | 09/01/1972 |
| 5305-00-285-4633 | No Name Available | 02/01/2008 |
| 5305-00-357-3446 | No Name Available | 07/14/1969 |
| 5305-00-408-6639 | No Name Available | 11/01/1982 |
| 5305-00-432-0703 | No Name Available | 01/12/2017 |
| 5305-00-639-0819 | No Name Available | 09/01/1982 |
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 |
|---|---|
| 81X11 | Setscrew |
| AN565D10H8 | Setscrew |
| MS51963-51 | Setscrew |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-723-9394?
Does the NSN 5305-00-723-9394 have a Schedule B code assigned?
Does NSN 5305-00-723-9394 require demilitarization?
Does NSN 5305-00-723-9394 contain precious materials?
Does NSN 5305-00-723-9394 contain hazardous materials?
When the NSN 5305-00-723-9394 was assigned to the Federal Catalog?
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Pricing
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