bolts › close tolerance bolts
NAS8604-3
Close Tolerance Bolt
Description
Fastener Length: 35/64", Thread: 1/4-28, Thread Length: 3/8
Specifications
| Countersink Angle | Between 99.0 degrees and 101.0 degrees |
|---|---|
| Country of Origin | USA |
| Fastener Length | Between 0.543 inches and 0.573 inches |
| Grip Diameter | Between 0.2485 inches and 0.2495 inches |
| Grip Length | Between 0.178 inches and 0.198 inches |
| Head Diameter | Between 0.355 inches and 0.397 inches |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Material | Steel |
| Material Specification | Mil-s-5000 assn standard single material response and mil-s-6049 assn standard single material response or ams6322 assn standard single material response |
| Specification Data | 80205-nas8603 professional/industrial association standard |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416 assn standard single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.2500 |
| Thread Direction | Right-hand |
| Thread Length | 0.370 |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 1/4 |
| Weight | 0.0005 lb |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS8604-3
- NAS8604-4
- NAS8604-7
- NAS8604-11
- NAS8604-13
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS8604-3. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error