81581-F
View detailed technical data, stock status, and sourcing information for: 81581-F
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An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.
prevailing torque with nonmetallic insert locking feature, round nut style, 0.094 inches nominal drive point depth, right-hand thread direction, +0.9453 to 0.9487 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
- +0.9453 to 0.9487 inches
- Thread Direction
- right-hand
- Locking Feature
- prevailing torque with nonmetallic insert
- Drive Point Depth
- 0.094 inches nominal
- Nut Style
- round
- Nut Diameter
- 1.188 inches nominal
- Nut Thickness
- 0.359 inches nominal
- Drive Point Width
- 0.188 inches nominal
- Drive Point Quantity
- 4
- Thread Series
- uns
- Thread Quantity Per Inch
- 32
- Nominal Thread Size
- 0.969 inches
- Material
- fiber locking insert
- Material
- steel corrosion resisting nut
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5310-01-078-2979 | No Name Available | 04/01/1986 |
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:
| Part Number | Name |
|---|---|
| 81581-F | Round Self-Locking Nut |
| BLN05 | Round Self-Locking Nut |
| P21337-001-01 | Round Self-Locking Nut |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-00-825-5723?
Does the NSN 5310-00-825-5723 have a Schedule B code assigned?
Does NSN 5310-00-825-5723 require demilitarization?
Does NSN 5310-00-825-5723 contain precious materials?
Does NSN 5310-00-825-5723 contain hazardous materials?
When the NSN 5310-00-825-5723 was assigned to the Federal Catalog?
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Pricing
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