screws › machine screws
NAS623-2-28
Machine Screw
Description
Fastener Length: 2-", Thread: 8-, Thread Length: 1/4
Specifications
| Fastener Length | 2.026 |
|---|---|
| Head Diameter | Between 0.306 inches and 0.322 inches |
| Head Height | Between 0.105 inches and 0.115 inches |
| Head Style | Pan Head |
| Internal Drive Style | Cross recess type 1 |
| Material | Steel |
| Screw Material | Steel comp 4140 or steel comp 8740 |
| Screw Material Specification | Mil-s-5000 military specification 1st material response or mil-s-6049 military specification 2nd material response mil-s-5626 |
| Screw Surface Treatment | Cadmium |
| Screw Surface Treatment Specification | Class2 federal specification 1st treatment response type2 qq-p-416 |
| Thread Class | 3a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | 0.276 |
| Thread Series Designator | UNJC |
| Thread Size | 8 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS623-2-28. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error