bolts › close tolerance bolts
NAS1191E04P6L
Close Tolerance Screw
Description
Fastener Length: 3/8", Thread: 4-40, Thread Length: 3/8
Specifications
| Drive Style | Cross |
|---|---|
| Fastener Length | Between 0.344 inches and 0.375 inches |
| Head Diameter | Between 0.178 inches and 0.183 inches |
| Head Height | Between 0.059 inches and 0.069 inches |
| Head Style | Flat chamfer |
| Internal Drive Style | Cross recess type 1 |
| Length | 3/8 |
| Material | Iron |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas1191 professional/industrial association standard |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches threads |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 federal specification single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.294 inches and 0.375 inches |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series | UNJC |
| Thread Series Designator | UNJC |
| Thread Size | 4 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1191E04P3L
- NAS1191E04P4L
- NAS1191E04P6L
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1191E04P6L. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error