bolts › close tolerance bolts
NAS4703-5
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 | 0.620 inches minimum and 0.650 inches maximum |
| Grip | 0.312 in |
| Grip Diameter | 0.1885 inches minimum and 0.1895 inches maximum |
| Grip Length | 0.302 inches minimum and 0.322 inches maximum |
| Head Angle | 100 º |
| Head Diameter | 0.266 inches minimum and 0.303 inches maximum |
| Head Style | Flat countersunk |
| Head Type | Reduced |
| Industry Standards/Certification | NAS4703 |
| Internal Drive Style | Tri-wing recess |
| Length | 0.635 in, 41/64 |
| Material | Steel |
| Material Specification | Mil-s-5000,uns g43406 mil spec 1st material response or ams 6322 assn std 2nd material response or mil-s-6049,uns g87400 mil spec 2nd material response |
| NIIN | 01-256-5800 |
| NSN | 5305-01-256-5800 |
| Specification Data | 80205-nas4703 professional/industrial association standard |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416,type 2,class 2 fed spec all treatment responses |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | 0.323 |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJF |
| Thread Size | 0.1900-32, 10 |
| Weight | .005 lb |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS4703-5. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error