screws › close tolerance screws
NAS4402-2
Close Tolerance Bolt
Description
Close Tolerance Bolt
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Country of Origin | USA |
| Fastener Length | 0.433 inches minimum and 0.463 inches maximum |
| Grip Diameter | 0.1625 inches minimum and 0.1635 inches maximum |
| Grip Length | 0.115 inches minimum and 0.135 inches maximum |
| Head Diameter | 0.296 inches minimum and 0.331 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Tri-wing recess |
| Length | 29/64 |
| Material | Steel |
| Material Specification | Mil-s-5000 mil spec 1st material response and mil-s-6049 mil spec 2nd material response or ams6322 assn std 2nd material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| NIIN | 01-259-1193 |
| NSN | 5305-01-259-1193 |
| Specification Data | 80205-nas4402 professional/industrial association standard |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 ty2 cl3 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.1640 |
| Thread Direction | Right-hand |
| Thread Length | 0.323 |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJF |
| Thread Size | 8 |
| Weight | 0.002 lb |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- NAS7502U2 NAS #8-32 · 29/64 in · Flat countersunk · Iron
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Catalog data updated 2026-07-05. Report a data error