bolts › machine bolts
NAS1790-5R12
Machine Bolt
Description
Fastener Length: 25/64", Hole Diameter: 5/64", Thread: 5/16-28, Thread Length: 15/32
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 0.376 inches minimum and 0.396 inches maximum |
| Grip Diameter | 0.3110 inches minimum and 0.3120 inches maximum |
| Grip Length | 0.740 inches minimum and 0.760 inches maximum |
| Head Diameter | 0.578 inches minimum and 0.634 inches maximum |
| Head Style | Flat countersunk |
| Hole Configuration Style | Round |
| Hole Diameter | 0.076 inches minimum and 0.086 inches maximum |
| Hole Quantity | 1 |
| Hole Type | Drilled |
| Length | 25/64 |
| Material | Steel |
| Material Specification | Mil-s-5626 mil spec single material response or ams6415 assn std 2nd material response or mil-s-5000 mil spec 3rd material response or mil-s-60494 mil spec 4th material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Part Name Assigned By Controlling Agency | Bolt, 100 deg flush head 160,000 psi uts |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416, ty ii, cl 2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.3125 |
| Thread Direction | Right-hand |
| Thread Length | 0.469 |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 5/16 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1790-5R8
- NAS1790-5R11D
- NAS1790-5R12
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1790-5R12. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error