bolts › close tolerance bolts
NAS1190E02P4K
Bolt
Description
Fastener Length: 1/4", Thread: 2-56, Thread Length: 11/64"
Specifications
| Bearing Surface Of Head Surface Finish | 32.0 microinches |
|---|---|
| Fastener Length | 0.219 inches minimum and 0.250 inches maximum |
| Head Diameter | 0.155 inches minimum and 0.167 inches maximum |
| Head Height | 0.053 inches minimum and 0.062 inches maximum |
| Head Style | Pan Head |
| Internal Drive Style | Cross recess type 1 |
| Length | 1/4 |
| Locking Feature | Pellet or strip |
| Material | Iron |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Part Name Assigned By Controlling Agency | Navy special project |
| Screw Material | Iron alloy 660 |
| Screw Material Specification | Ams 5737 assn std single material response |
| Screw Surface Treatment | Passivate |
| Screw Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Specification Data | 80205-nas1190 professional/industrial association standard |
| Thread Class | 3a |
| Thread Diameter | 0.086 |
| Thread Direction | Right-hand |
| Thread Length | 0.173 |
| Thread Qty | 56 |
| Thread Qty Per Inch (tpi) | 56 |
| Thread Series Designator | UNJC |
| Thread Size | 2 |
| Thread Surface Finish | 32.0 microinches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
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Catalog data updated 2026-07-05. Report a data error