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MS24694S133
Military Standard Screw
Description
Fastener Length: 2-15/16", Thread: 1/4-28, Thread Length: 37/64"
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 2.891 inches minimum and 2.938 inches maximum |
| Hardness Rating | 26.0 rockwell c minimum and 32.0 rockwell c maximum |
| Head Diameter | 0.447 inches minimum and 0.507 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Length | 2 15/16 |
| Material | Steel |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| Screw Material | Steel comp 8740 or steel comp 8630 |
| Screw Material Specification | Mil-s-6049 mil spec 1st material response or mil-s-6050 mil spec 2nd material response |
| Screw Surface Treatment | Cadmium and chromate |
| Screw Surface Treatment Specification | Qq-p-416 ty 2 cl 3 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.429 inches minimum and 0.578 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNF |
| Thread Size | 1/4 |
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- MS24694A120 MS 1/4-28 · 0.086 in · Flat countersunk · Aluminum
- MS24694C121 MS 1/4-28 · 0.086 in · Flat countersunk · Steel
- MS24694S122 MS 1/4-28 · 0.086 in · Flat countersunk · Steel
- MS24694S126 MS 1/4-28 · 0.086 in · Flat countersunk · Steel
- MS24694S130 MS 1/4-28 · 0.086 in · Flat countersunk · Steel
- MS24694S134 MS 1/4-28 · 0.086 in · Flat countersunk · Steel
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Catalog data updated 2026-07-05. Report a data error