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NAS1921M05-08
Blind Rivet
Description
Fastener Length: 5/8
Specifications
| Countersink Angle | 100.0 degrees |
|---|---|
| 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 | 0.290 inches maximum |
| Head Style | Flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) |
| Material | Nickel |
| Material Specification | Ams 5737 assn std 1st material response locking ring or qq-n-281 fed spec 2nd material response locking ring or qq-n-281 fed spec 3rd material response locking ring, Ams 5737 assn std single material response stem, Qq-n-281 fed spec all material responses sleeve |
| Shank Diameter | 0.155 inches minimum and 0.159 inches maximum |
| Shank Style | Self-plugging shank w/grooved end for locking |
| Shear Strength | 1020 single pounds per square inch |
| Special Features | Passivated on ams 5737 only |
| Surface Treatment | Cadmium and chromate or aluminum alloy, Passivate locking ring |
| Surface Treatment Specification | Qq-p-35 fed spec single treatment response stem, Qq-p-35 for a286 cres only fed spec single treatment response locking ring, Qq-p-416,ty 2,cl 3 fed spec 1st treatment response sleeve or nas 4006 assn std 2nd treatment response sleeve |
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.
- 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
- NAS1921B05S08 NAS 0.638 in · Flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) · Aluminum
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Catalog data updated 2026-07-05. Report a data error