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MS16998-46
Hexagon Socket Cap Screw
Description
MS 16998-46 Hexagon Socket Cap Screw
Specifications
| Alternate Part Number | NAS1315-4-20P |
|---|---|
| Country of Origin | USA |
| Drilling | Undrilled Head |
| Drive Style | Hexagon |
| Fastener Length | Between 1.210 inches and 1.250 inches |
| Finish | Cadmium ll |
| Hardness Rating | 36.0 rockwell c and 45.0 rockwell c |
| Head Angle | 100 ? |
| Head Diameter | Between 0.365 inches and 0.375 inches |
| Head Height | Between 0.244 inches and 0.250 inches |
| Head Style | Flat chamfer |
| Head Type | Socket |
| Industry Standards/Certification | MS16998 |
| Internal Drive Style | Hexagon |
| Length | 1 1/4 in |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Minimum Yield Strength | 130000 pounds per square inch |
| NIIN | 00-983-6663 |
| NSN | 5305-00-983-6663 |
| Size | 1/4-28 |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 type 2 cl 3 federal specification single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | Between 1.210 inches and 1.250 inches |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 0.2500-28, 1/4 |
| Thread Type | N.F. - Fine |
| Weight | 0.02 lb |
| Width Across Flats | Between 0.187 inches and 0.190 inches |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS16998-46. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error