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3M1278E3D3A
Bolt
Description
Bolt part number 3M1278E3D3A
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Criticality Code Justification | Agav |
| Fastener Length | 0.5175 inches minimum and 0.5475 inches maximum |
| Features Provided | Cetyl alcohol lubricant |
| Head Diameter | 0.294 inches minimum and 0.301 inches maximum |
| Head Style | Flat countersunk |
| Hole Diameter | 0.070 inches minimum and 0.080 inches maximum |
| Hole Quantity | 1 |
| Hole Type | Drilled |
| Internal Drive Style | Torx |
| Material | Nickel |
| Material Specification | Ams5662 assn std single material response |
| Part Name Assigned By Controlling Agency | Eddie bolt aircraft |
| Shoulder Diameter | 0.2177 inches minimum grip and 0.2182 inches maximum grip |
| Shoulder Length | 0.204 inches nominal grip |
| Shoulder Shape | Round grip |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Mil-l-87132 type 1 grade b mil spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.1900 |
| Thread Direction | Right-hand |
| Thread Length | 0.345 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJF |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- 3M1278E3D3A
- 3M1278E3D5A
- 3M1278E3D7A
Cross-reference
No interchangeable or dimensionally similar parts are on record for 3M1278E3D3A. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error