// TECHNICAL RESOURCES
NAS620 reduced-outside-diameter flat washers.
Find selected stocked NAS620 flat washers, compare size and nominal thickness references, and request pricing and availability from Webson.
// DIMENSION GUIDE
Washer inside diameter, outside diameter and thickness
Schematic only; not to scale. Letter labels are keys for this illustration. Use the applicable part specification for dimensions, tolerances and measurement conventions.
// PART IDENTIFICATION
A flat washer with a reduced outside diameter
NAS620 identifies flat washers with a reduced outside diameter. The outside envelope and thickness matter alongside the screw-size reference.
// STOCKED SELECTION
Stocked NAS620 part numbers
Selected stocked configurations are listed below. Dimensions are nominal identification references in inches; use the controlling specification and drawing for full tolerances and acceptance requirements.
No matching entries. Clear the filters or try a shorter search.
| Part number | Screw / bolt size (ref) | Nominal thickness (in) | Material / finish | Stock status | Request pricing |
|---|---|---|---|---|---|
| NAS620C4 | #4 | 0.032 | Passivated CRES | Stocked item | Quote NAS620C4 → |
| NAS620C6 | #6 | 0.032 | Passivated CRES | Stocked item | Quote NAS620C6 → |
| NAS620C0 | #0 | 0.016 | Passivated CRES | Stocked item | Quote NAS620C0 → |
| NAS620C2 | #2 | 0.016 | Passivated CRES | Stocked item | Quote NAS620C2 → |
| NAS620C8L | #8 | 0.016 | Passivated CRES | Stocked item | Quote NAS620C8L → |
| NAS620C8 | #8 | 0.032 | Passivated CRES | Stocked item | Quote NAS620C8 → |
| NAS620-0 | #0 | 0.016 | Cadmium-plated steel | Stocked item | Quote NAS620-0 → |
| NAS620C4L | #4 | 0.016 | Passivated CRES | Stocked item | Quote NAS620C4L → |
| NAS620C416 | 1/4 | 0.063 | Passivated CRES | Stocked item | Quote NAS620C416 → |
| NAS620-4 | #4 | 0.032 | Cadmium-plated steel | Stocked item | Quote NAS620-4 → |
| NAS620C6L | #6 | 0.016 | Passivated CRES | Stocked item | Quote NAS620C6L → |
| NAS620C5 | #5 | 0.032 | Passivated CRES | Stocked item | Quote NAS620C5 → |
| NAS620A8 | #8 | 0.032 | Aluminum alloy | Stocked item | Quote NAS620A8 → |
| NAS620-10 | #10 | 0.063 | Cadmium-plated steel | Stocked item | Quote NAS620-10 → |
| NAS620C3L | #3 | 0.016 | Passivated CRES | Stocked item | Quote NAS620C3L → |
| NAS620-8 | #8 | 0.032 | Cadmium-plated steel | Stocked item | Quote NAS620-8 → |
| NAS620C10 | #10 | 0.063 | Passivated CRES | Stocked item | Quote NAS620C10 → |
Stocked items are subject to prior sale. Request a quote to confirm current availability and lead time.
// THICKNESS SELECTION
Keep the light-series ending
L identifies the light series. NAS620C4L is 0.016 inch thick; NAS620C4 is 0.032 inch thick. NAS620C10 is a #10 selection, while NAS620C416 references a 1/4-inch screw size.
// MATERIAL IDENTIFICATION
Retain the material notation
The selected C entries identify passivated corrosion-resistant steel, A identifies aluminum alloy, and a hyphen identifies cadmium-plated steel. Keep the complete designation when ordering.
// SOURCE WITH WEBSON
Quote the required washer
Send the full part number, quantity and required date. Include the controlling drawing or specification issue and documentation requirements.
// BUYER CHECKLIST
Prepare the requirement for quotation
- Complete designation, including all material, finish and locking suffixes.
- Quantity, required delivery date and controlling drawing or specification issue.
- Required certificates, source restrictions and lot traceability.
// SOURCE WITH WEBSON
Have a part number or bill of material?
Send the complete designation, quantity, required delivery date and documentation requirements. Webson will review your requirement for quotation.