bolts › close tolerance bolts
NAS1992C4T
Bolt
Description
Fastener Length: 19/32", Thread: 8-32, Thread Length: 23/64"
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 0.573 inches minimum and 0.603 inches maximum |
| Grip Diameter | 0.1625 inches minimum and 0.1635 inches maximum |
| Grip Length | 0.240 inches minimum and 0.260 inches maximum |
| Head Diameter | 0.2534 inches minimum and 0.2612 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Offset cruciform (torque set) |
| Length | 19/32 |
| Material | Iron |
| Material Specification | Ams 5731 assn std single material response or ams 5737 assn std single material response |
| Min. Tensile Strength (psi) | 180000 pounds per square inch |
| Specification Data | 80205-nas1992 professional/industrial association standard |
| Surface Finish | 32.0 microinches grip, 32.0 microinches threads, 63.0 microinches bearing surface of head |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | 0.313 inches minimum and 0.363 inches maximum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJC |
| Thread Size | 8 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1992C1T
- NAS1992C4T
- NAS1992C6T
- NAS1992C11T
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1992C4T. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error