MS51108-2
View detailed technical data, stock status, and sourcing information for: MS51108-2
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An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.
0.407 inches minimum and 0.438 inches maximum fastener length, right-hand thread direction, 2a thread class, 0.318 inches minimum and 0.438 inches maximum thread length, hexagon head style
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
- 0.318 inches minimum and 0.438 inches maximum
- Fastener Length
- 0.407 inches minimum and 0.438 inches maximum
- Head Style
- hexagon
- Head Height
- 0.150 inches minimum and 0.163 inches maximum
- Width Between Flats
- 0.428 inches minimum and 0.438 inches maximum
- Shank Unthreaded Hole Diameter
- 0.074 inches minimum and 0.082 inches maximum first hole
- Nominal Thread Diameter
- 0.250 inches
- Thread Quantity Per Inch
- 28
- Minimum Tensile Strength
- 150000 pounds per square inch
- Hardness Rating
- 32.0 rockwell c minimum and 38.0 rockwell c maximum overall
- Distance From Head Largest Bearing Surface To Shank Hole Center
- 0.288 inches minimum and 0.339 inches maximum first hole
- Surface Finish
- 63.0 microinches threads
- Material
- steel overall
- Material Document And Classification
- sae gr 8 assn std single material response overall
- Surface Treatment
- phosphate overall
- Surface Treatment Document And Classification
- mil-p-16232,ty z,cl 2 mil spec single treatment response overall
- Thread Series Designator
- unf
- Nondefinitive Spec/Std Data
- 2 type and 10p style and 8 grade
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 |
|---|---|
| MS51108-2 | Hexagon Head Cap Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-01-015-9681?
Does the NSN 5305-01-015-9681 have a Schedule B code assigned?
Does NSN 5305-01-015-9681 require demilitarization?
Does NSN 5305-01-015-9681 contain precious materials?
Does NSN 5305-01-015-9681 contain hazardous materials?
When the NSN 5305-01-015-9681 was assigned to the Federal Catalog?
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