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MS51849-13C
Military Standard Machine Screw
Description
Fastener Length: 25/64", Thread: 4-40, Thread Length: 25/64
Specifications
| Fastener Length | 0.385 inches minimum and 0.390 inches maximum |
|---|---|
| Head Height | 0.049 inches minimum and 0.060 inches maximum |
| Head Style | Hexagon Head |
| Internal Drive Style | Slot |
| Length | 25/64 |
| Material | Steel |
| Min. Tensile Strength (psi) | 80000 pounds per square inch |
| Nondefinitive Specification/Std Data | 1 type and 10 style |
| Screw Material | Steel comp 303ma or steel comp 303pb or steel comp 303 plus x or steel comp 303se or steel comp 416 or steel comp 416 plus x or steel comp 416se or steel comp 420f or steel comp 420fse or steel comp 430f or steel comp 430fse or steel comp 440f or steel comp 440fse |
| Screw Surface Treatment | Passivate |
| Screw Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Thread Class | 2a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | 0.335 inches minimum and 0.390 inches maximum |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series Designator | UNC |
| Thread Size | 4 |
| Width Between Flats | 0.181 inches minimum and 0.187 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS51849-13C. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error