990247-4
View detailed technical data, stock status, and sourcing information for: 990247-4
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A bent spring metal washer with a centrally located hole. It is designed to exert pressure axially when assembled in place.
clinch nut style, 0.140 inches minimum and 0.143 inches maximum pilot diameter, 0.020 inches nominal pilot length, 3b thread class, right-hand thread direction
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 3b
- Thread Direction
- right-hand
- Pilot Diameter
- 0.140 inches minimum and 0.143 inches maximum
- Pilot Length
- 0.020 inches nominal
- Nut Style
- clinch
- Nut Diameter
- 0.156 inches nominal
- Nut Height
- 0.081 inches minimum and 0.086 inches maximum
- Thread Series
- unc
- Thread Quantity Per Inch
- 56
- Nominal Thread Size
- 0.086 inches
- Material
- steel comp 303 overall
- Material Document And Classification
- aisi assn std single material response overall
- Surface Treatment
- passivate overall
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5310-00-409-9583 | No Name Available | 05/01/1976 |
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 |
|---|---|
| 151245-01 | Clinch Plain Nut |
| 990247-4 | Clinch Plain Nut |
| NU41-256-1 | Clinch Plain Nut |
| U-256-1 | Clinch Plain Nut |
| U256-1 | Clinch Plain Nut |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-00-231-1836?
Does the NSN 5310-00-231-1836 have a Schedule B code assigned?
Does NSN 5310-00-231-1836 require demilitarization?
Does NSN 5310-00-231-1836 contain precious materials?
Does NSN 5310-00-231-1836 contain hazardous materials?
When the NSN 5310-00-231-1836 was assigned to the Federal Catalog?
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Pricing
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