MS51019-21
View detailed technical data, stock status, and sourcing information for: MS51019-21
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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.
0.187 inches nominal thread length, 3a thread class, headless (setscrew) head style, right-hand thread direction, 0.187 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
- 0.187 inches nominal
- Fastener Length
- 0.187 inches nominal
- Head Style
- headless (setscrew)
- Point Style
- flat
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.138 inches
- Width Across Flats
- 0.062 inches minimum and 0.063 inches maximum
- Thread Quantity Per Inch
- 32
- 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
- phosphate overall
- Thread Series Designator
- unc
- Nondefinitive Spec/Std Data
- 1 type and 4 style
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-590-7886 | No Name Available | 02/13/1967 |
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 |
|---|---|
| MS51019-21 | Setscrew |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-059-2833?
Does the NSN 5305-00-059-2833 have a Schedule B code assigned?
Does NSN 5305-00-059-2833 require demilitarization?
Does NSN 5305-00-059-2833 contain precious materials?
Does NSN 5305-00-059-2833 contain hazardous materials?
When the NSN 5305-00-059-2833 was assigned to the Federal Catalog?
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Pricing
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