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LL54N40S4
Screw
Description
Fastener Length: 7/32", Thread: 4-40, Thread Length: 11/64
Specifications
| Fastener Length | Between 0.219 inches and 0.250 inches |
|---|---|
| Head Diameter | Between 0.166 inches and 0.183 inches |
| Head Height | Between 0.072 inches and 0.079 inches |
| Head Style | Fillister |
| Internal Drive Style | Slot |
| Locking Feature | Strip threads |
| Material | CRES |
| Material Specification | 66 federal standard all material responses |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 federal specification single treatment response |
| Thread Class | 2a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.169 inches and 0.250 inches |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series Designator | Unc (coarse thread) |
| Thread Size | 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.
- LL500-4-4 Other #4-40 · 1/4 in · Fillister · Steel
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Catalog data updated 2026-07-05. Report a data error