NAS1640-1
View detailed technical data, stock status, and sourcing information for: NAS1640-1
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A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.
35.0 rockwell c minimum and 45.0 rockwell c maximum hardness rating, 0.075 inches minimum and 0.084 inches maximum hole diameter, 0.162 inches maximum outside diameter, steel corrosion resisting overall material, 0.020 inches nominal material thickness
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Hole Diameter
- 0.075 inches minimum and 0.084 inches maximum
- Outside Diameter
- 0.162 inches maximum
- Material Thickness
- 0.020 inches nominal
- Hardness Rating
- 35.0 rockwell c minimum and 45.0 rockwell c maximum
- Material
- steel corrosion resisting overall
- Surface Treatment
- passivate overall
- Style Designator
- split helical-right hand
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5310-00-089-5061 | No Name Available | 10/25/1968 |
| 5310-00-403-7747 | No Name Available | 02/16/1970 |
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 |
|---|---|
| 70D3010104-80 | Lock Washer |
| N01BR0NZEG0LD | Lock Washer |
| NAS1640-1 | Lock Washer |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-00-995-7166?
Does the NSN 5310-00-995-7166 have a Schedule B code assigned?
Does NSN 5310-00-995-7166 require demilitarization?
Does NSN 5310-00-995-7166 contain precious materials?
Does NSN 5310-00-995-7166 contain hazardous materials?
When the NSN 5310-00-995-7166 was assigned to the Federal Catalog?
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Pricing
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