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NAS1870-3-4
Locking Nutplate Self
Description
Nutplate
Specifications
| Alternate Part Number | BACN10JS3A4 |
|---|---|
| Center To Center Distance Between Mounting Holes Along Length | 0.686 inches minimum and 0.690 inches maximum |
| Counterbore Diameter | 0.194 inches minimum nut |
| Distance From Aperture Center To Mounting Hole Center | 0.339 inches minimum and 0.349 inches maximum |
| Features | Floating |
| Hardness Rating | 49.0 rockwell c maximum |
| Industry Standards/Certification | NAS1870 |
| Locking Feature | Prevailing torque all metal design |
| Lubrication | Dry film lubricant |
| Material | Steel |
| Material Specification | Mil-n-25027 mil spec single material response |
| Maximum Dimension A | 0.948 in |
| Maximum Dimension B | 0.250 in |
| Maximum Dimension C | 0.344 in |
| Maximum Dimension J | 0.688 in |
| Maximum Height | 0.438 in |
| Mounting Hole Arrangement Style | 2 holes |
| Mounting Hole Diameter | 0.098 inches minimum and 0.103 inches maximum |
| NIIN | 01-042-8869 |
| NSN | 5310-01-042-8869 |
| Nut Counterbore Depth | 0.250 inches minimum nut |
| Nut Height | 0.438 inches maximum |
| Nut Length | 0.948 inches maximum |
| Nut Mounting Provision | Straight holes |
| Nut Style | Plate |
| Plate Thickness | 0.032 inches maximum |
| Plate Width | 0.416 inches maximum |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416 fed spec single treatment response |
| Temperature Rating | 450.0 deg fahrenheit |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNJF |
| Thread Size | 0.190, 10-32 |
| Type | Deep Counterbore |
| Weight | 0.0055 lb |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1870-3-2
- NAS1870-3-2K
- NAS1870-3-3
- NAS1870-3-4
- NAS1870-3-5
- NAS1870-3-5K
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1870-3-4. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error