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MS/NAS
Rivnut® Flat Head Round Body
The flat head round body Rivnut® is the original fastener designed to meet the MS 27130 specifications.
- Smooth round body to prevent stress fracturing under dynamic loads
- Closed end to seal threads
- Keyed head to prevent rotation with thread locking mating screws
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Open End Standard
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Closed End Standard
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Open End Keyed
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Closed End Keyed
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Rivnut® Countersunk Round Body
The countersunk head round body is the original fastener designed to meet the MS 27130 specification.
- Countersunk head for flush installation
- Closed end to seal threads
- Keyed head to prevent rotation with thread locking mating screws
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Open End Standard
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Closed End Standard
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Open End Keyed
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Closed End Keyed
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Rivnut® Unilock Flat Head Round Body
The Unilock® round body flat head keyed Rivnut® features a mechanical thread lock feature to meet MIL-N-25027 for lock type nuts.
- 15 cycle thread locking
- Keyed head to prevent rotation
- Smooth body to prevent stress fracturing under dynamic loads
Rivnut® Unilock Countersunk Round Body
The Unilock® round body countersunk head keyed Rivnut® features a mechanical thread lock feature to meet MIL-N-25027 and a countersunk head for flush installation.
- 15 cycle thread locking
- Keyed head to prevent rotation
- Countersunk head for flush installation
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Specifications The Rivnut® fasteners featured on this site meet the requirements of NAS1329, NAS1330, MS 27130 standards, and a wide range of ordinance drawings. NAS1329 and NAS1330 standards include Rivnut® fasteners with thread-locking requirements to MIL-N-25027. Rivnut® fasteners meet these requirements.
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| MIL-S-7742 |
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Screw threads, standard aeronautical. |
| ASTM B316 |
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Wire, aluminum. |
| ASTM A576 |
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Wire, steel. |
| ASTM B134 |
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Wire, brass. |
| ASTM A276 |
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Wire, steel, corrosion-resisting. |
| ASTM A580 |
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Wire, steel, corrosion-resisting. |
| MIL-A-8625 |
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Surfaces anodic coatings, for aluminum and aluminum alloys. |
| QQ-P-416 |
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Plating, cadmium (electrodeposited). |
| ASTM B633 |
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Zinc coating, electrodoposited. |
| QQ-P-35 |
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Passivation, treatments for austenic, ferretic, and martensetic corrosion-resisting steel (fastening devices). |
| ASTM A752 |
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Seam-free aircraft quality steel. | |
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