screws › socket head cap screws
MS3212-1L
Military Standard Socket Cap Screw
Description
Fastener Length: 1/4", Thread: 4-40, Thread Length: 1/4"
Specifications
| Fastener Length | 0.230 inches minimum and 0.250 inches maximum |
|---|---|
| Head Diameter | 0.205 inches minimum and 0.238 inches maximum |
| Head Height | 0.070 inches minimum and 0.080 inches maximum |
| Head Style | Watertight |
| Internal Drive Style | Cross recess type 1 |
| Length | 1/4 |
| Locking Feature | Strip threads or pellet threads or patch threads |
| Material | CRES |
| Material Specification | Qq-s-763 fed spec 1st material response or astm a493 assn std 1st material response or qq-s-763 fed spec 2nd material response or astm a493 assn std 2nd material response or qq-s-763 fed spec 3rd material response or astm a493 assn std 3rd material response or astm a493 assn std 4th material response or astm a493 assn std 5th material response |
| Special Features | Furnished with o-ring |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Thread Class | 2a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | 0.180 inches minimum and 0.250 inches maximum |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series Designator | UNC |
| Thread Size | 4 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS3212-1L. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error