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NAS1921B05S08
Rivet
Description
Fastener Length: 41/64"
Specifications
| Countersink Angle | 99.0 degrees minimum and 108.0 degrees maximum |
|---|---|
| Expansion Device | Serrated stem-type w |
| Fastener Length | 0.638 inches maximum |
| Grip Length | 0.438 inches minimum and 0.500 inches maximum |
| Head Major Diameter | 0.282 inches minimum and 0.290 inches maximum |
| Head Style | Flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) |
| Material | Aluminum |
| Material Specification | Qq-a-430 fed spec single material response locking ring, Qq-a-430 fed spec single material response sleeve, Qq-a-430 fed spec single material response stem |
| Shank Diameter | 0.155 inches minimum and 0.159 inches maximum |
| Specification Data | 80205-nas1921 professional/industrial association standard |
| Surface Treatment | Anodize or chromate |
| Surface Treatment Specification | Mil-a-8625 mil spec 1st treatment response stem or mil-c-5541 mil spec 2nd treatment response stem |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1921B05S04
- NAS1921B05S04U
- NAS1921B05S06
- NAS1921B05S07
- NAS1921B05S08
- NAS1921B05S09
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.
- NAS1399C5-8 NAS 0.638 in · Flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) · Nickel
- NAS1399C5A8 NAS 0.638 in · Flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) · Iron
- NAS1399C5AB8 NAS 0.638 in · Flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) · Nickel
- NAS1399D5A8 NAS 0.638 in · Flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) · Aluminum
- NAS1921M05-08 NAS 0.638 in · Flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) · Nickel
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Catalog data updated 2026-07-05. Report a data error