bolts › close tolerance bolts
NAS1581F6T9
Bolt
Description
Fastener Length: 1-1/8", Thread: 3/8-24, Thread Length: 19/32"
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 1.156 |
| Grip Diameter | 0.3735 inches minimum and 0.3745 inches maximum |
| Grip Length | 0.562 |
| Head Diameter | 0.5149 |
| Head Height | 0.081 |
| Head Style | Flat countersunk |
| Internal Drive Style | Offset cruciform (torque set) |
| Length | 1 1/8 |
| Material | Steel |
| Material Specification | Mil-s-5626 mil spec single material response or mil-s-5000 mil spec single material response or mil-s-6049 mil spec single material response |
| Min. Tensile Strength (psi) | 16000 pounds per square inch |
| Part Name Assigned By Controlling Agency | Navy special project |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416,ty2,cl2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.375 |
| Thread Direction | Right-hand |
| Thread Length | 0.594 |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNJF |
| Thread Size | 3/8 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1581F6T6
- NAS1581F6T8
- NAS1581F6T9
- NAS1581F6T16
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1581F6T9. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error