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NAS428-4A10
Crowned Hex Head Machine Bolt
Description
Crowned Hex Head Machine Bolt
Specifications
| Alternate Part Number | NAS428-4-10 |
|---|---|
| Country of Origin | USA |
| Fastener Length | Between 1.151 inches and 1.213 inches |
| Features Provided | Washer |
| Grip Diameter | 0.398 |
| Grip Length | Between 0.031 inches and 0.062 inches |
| Head Height | 0.172 |
| Head Style | Hexagon Head |
| Head Type | Hexagon |
| Industry Standards/Certification | NAS428 |
| Length | 1.000 in |
| Material | Steel |
| NIIN | 01-464-3099 |
| NSN | 5306-01-464-3099 |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Type 2 class 2 federal specification single treatment response qq-p-416 |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | Between 1.000 inches and 1.062 inches |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 0.2500-28, 1/4 |
| Weight | 0.015 lb |
| Width Between Flats | Between 0.428 inches and 0.440 inches |
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 NAS428-4A10. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error