screws › socket head cap screws
MS21262-80
Military Standard Screw
Description
Fastener Length: 1-25/32", Thread: 1/4-24, Head Width: 1/4", Thread Length: 1-1/8"
Specifications
| Fastener Length | 1.735 inches minimum and 1.781 inches maximum |
|---|---|
| Hardness Rating | 36.0 rockwell c minimum and 43.0 rockwell c maximum |
| Head Diameter | 0.457 inches minimum and 0.468 inches maximum |
| Head Height | 0.306 inches minimum and 0.312 inches maximum |
| Head Style | Flat chamfer |
| Internal Drive Style | Hexagon |
| Length | 1 25/32 |
| Locking Feature | Patch threads or pellet threads or strip threads |
| Material | Plastic |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Nondefinitive Specification/Std Data | 6 type |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 ty 2 cl 2 fed spec single treatment response fastener |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 1.125 |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNF |
| Thread Size | 1/4 |
| Width Across Flats | 0.250 inches minimum and 0.253 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- MS21262-10
- MS21262-28
- MS21262-29
- MS21262-54
- MS21262-80
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.
- NAS1351-5-20P NAS 1/4-24 · 0.073 in · Flat chamfer · Steel
- NAS1351C5-20 NAS 1/4-24 · 0.073 in · Flat chamfer · Steel
- NAS1351C5-28 NAS 1/4-24 · 0.073 in · Flat chamfer · CRES
- NAS1351N5-20 NAS 1/4-24 · 0.073 in · Flat chamfer · Iron
- NAS1351N5-24 NAS 1/4-24 · 0.073 in · Flat chamfer · Iron
- NAS1351N5-28 NAS 1/4-24 · 0.073 in · Flat chamfer · Iron
- NAS1351N5-32 NAS 1/4-24 · 0.073 in · Flat chamfer · Iron
- MS16998-62 MS 1/4-24 · 0.073 in · Flat chamfer · Steel
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error