81581-G
View detailed technical data, stock status, and sourcing information for: 81581-G
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A metallic headed fastener having internal threads for a portion of the full length. It may have a smooth, hexagon or splined shank with an open or closed end. It is designed to be expanded tightly against the material it is being installed in by means of a special tool. The item must have a specified grip range. The grip range is the thickness of the material the item is being installed in. An integral feature is incorporated for locking on the threads of a mating member.
right-hand thread direction, prevailing torque with nonmetallic insert locking feature, 1.500 inches nominal small end diameter, 0.089 inches minimum and 0.096 inches maximum drive point depth, +1.1369 to 1.1409 inches thread pitch diameters
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Pitch Diameters
- +1.1369 to 1.1409 inches
- Thread Direction
- right-hand
- Locking Feature
- prevailing torque with nonmetallic insert
- Small End Diameter
- 1.500 inches nominal
- Drive Point Depth
- 0.089 inches minimum and 0.096 inches maximum
- Nut Style
- round
- Nut Diameter
- 1.735 inches minimum and 1.750 inches maximum
- Nut Thickness
- 0.437 inches minimum and 0.469 inches maximum
- Drive Point Width
- 0.168 inches minimum and 0.198 inches maximum
- Undercut Thickness
- 0.141 inches nominal
- Drive Point Quantity
- 4
- Temp Rating
- 350.0 fahrenheit maximum
- Thread Series
- uns
- Thread Quantity Per Inch
- 18
- Nominal Thread Size
- 1.173 inches
- Material
- plastic polyamide (nylon) locking insert
- Material
- steel overall except insert
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5310-01-057-2368 | No Name Available | 02/01/1994 |
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-01-059-0262?
Does the NSN 5310-01-059-0262 have a Schedule B code assigned?
Does NSN 5310-01-059-0262 require demilitarization?
Does NSN 5310-01-059-0262 contain precious materials?
Does NSN 5310-01-059-0262 contain hazardous materials?
When the NSN 5310-01-059-0262 was assigned to the Federal Catalog?
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