screws › close tolerance screws
NAS1189E04P7B
Close Tolerance Screw
Description
Fastener Length: 7/16", Thread: 4-40
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 0.438 |
| Head Diameter | 0.213 inches minimum and 0.225 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Length | 7/16 |
| Locking Feature | Patch |
| Material | CRES |
| Screw Material | Steel corrosion resisting |
| Screw Surface Treatment | Passivate |
| Thread Class | 3a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series Designator | UNJC |
| Thread Size | 4 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
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Catalog data updated 2026-07-05. Report a data error