screws › machine screws
NAS1189-3T5K
Machine Screw
Description
Fastener Length: 5/16", Thread: 10-32, Thread Length: 7/32"
Specifications
| Countersink Angle | 100.0 degrees |
|---|---|
| Fastener Length | 0.281 inches minimum and 0.312 inches maximum |
| Hardness Rating | 36.0 rockwell c minimum and 40.0 rockwell c maximum |
| Head Diameter | 0.371 inches minimum and 0.385 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Offset cruciform (torque set) |
| Length | 5/16 |
| Locking Feature | Pellet threads or strip threads |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas1189 professional/industrial association standard |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches threads |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416,type 2,class 2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | 0.139 inches minimum and 0.232 inches maximum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJF |
| Thread Size | 10 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1189-3T5K
- NAS1189-3T6
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.
- NAS1102-3-5 NAS #10-32 · 5/16 in · Flat countersunk · Steel
- NAS1102-3-5B NAS #10-32 · 5/16 in · Flat countersunk · Steel
- NAS1102E3-5 NAS #10-32 · 5/16 in · Flat countersunk · Iron
- NAS1102E3-5P NAS #10-32 · 5/16 in · Flat countersunk · Iron
- NAS514P1032-5P NAS #10-32 · 5/16 in · Flat countersunk · Steel
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error