screws › machine screws
NAS1155-20
Screw
Description
Fastener Length: 1-5/8", Thread Length: 25/64"
Specifications
| Fastener Length | 1.610 inches minimum and 1.640 inches maximum |
|---|---|
| Grip Diameter | 0.3110 inches minimum and 0.3120 inches maximum |
| Head Diameter | 0.577 inches minimum and 0.635 inches maximum |
| Length | 1 5/8 |
| Material | Steel |
| Material Specification | Mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6049 mil spec 5th material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas1155 professional/industrial association standard |
| Thread Class | 3a |
| Thread Length | 0.350 inches minimum and 0.400 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1155-20. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error