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NAS604-14
Machine Screw
Description
Fastener Length: 7/8", Thread: 1/4-28, Thread Length: 7/8
Specifications
| Fastener Length | 0.875 |
|---|---|
| Hardness Rating | Between 36.0 rockwell c and 40.0 rockwell c |
| Head Diameter | Between 0.473 inches and 0.492 inches |
| Head Height | Between 0.162 inches and 0.175 inches |
| Head Style | Pan Head |
| Internal Drive Style | Cross recess type 1 |
| Length | 7/8 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Screw Material | Steel comp 8630 |
| Screw Material Specification | Mil-s-6050 military specification single material response or an-s-9 military standard single material response |
| Screw Surface Treatment | Cadmium |
| Screw Surface Treatment Specification | Cl 3 federal specification single treatment response type 1 qq-p-416 |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.804 inches and 0.875 inches |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 1/4 |
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.
- NAS1100-4-14 NAS 1/4-28 · 7/8 in · Pan Head · Steel
- NAS1100E4-14 NAS 1/4-28 · 7/8 in · Pan Head · Iron
- NAS604-14P NAS 1/4-28 · 7/8 in · Pan Head · Steel
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Catalog data updated 2026-07-05. Report a data error