bolts › close tolerance bolts
NAS1202-4
Close Tolerance Bolt
Description
Close Tolerance Bolt
Specifications
| Countersink Angle | Between 99.0 degrees and 101.0 degrees |
|---|---|
| Country of Origin | USA |
| Drive Style | Cross |
| Fastener Length | Between 0.511 inches and 0.541 inches |
| Grip | 0.250 in |
| Grip Diameter | Between 0.1625 inches and 0.1635 inches |
| Grip Length | Between 0.240 inches and 0.260 inches |
| Hardness Rating | 36.0 rockwell c and 40.0 rockwell c |
| Head Angle | 100 º |
| Head Diameter | Between 0.280 inches and 0.337 inches |
| Head Style | Flat countersunk |
| Head Type | Countersunk |
| Industry Standards/Certification | NAS1202 |
| Internal Drive Style | Cross recess type 1 |
| Length | 0.526 in |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| NIIN | 00-817-5973 |
| NSN | 5305-00-817-5973 |
| Specification Data | 80205-nas1202 professional/industrial association standard |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 type 2 cl 2 federal specification single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.251 inches and 0.301 inches |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNJC |
| Thread Series Designator | UNJC |
| Thread Size | 0.1640-32, 8 |
| Weight | 0.003 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 NAS1202-4. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error