138578
View detailed technical data, stock status, and sourcing information for: 138578
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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.
cadmium or zinc and chromate overall surface treatment, flat internal teeth style designator, 1.799 inches minimum and 1.830 inches maximum outside diameter, 0.059 inches minimum and 0.067 inches maximum material thickness, 1.1192 inches minimum and 1.144 inches maximum hole diameter
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Hole Diameter
- 1.1192 inches minimum and 1.144 inches maximum
- Outside Diameter
- 1.799 inches minimum and 1.830 inches maximum
- Material Thickness
- 0.059 inches minimum and 0.067 inches maximum
- Surface Treatment
- cadmium or zinc and chromate overall
- Style Designator
- flat internal teeth
- Nondefinitive Spec/Std Data
- a type
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5310-00-194-7375 | No Name Available | 01/01/1963 |
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 |
|---|---|
| 138578 | Lock Washer |
| MILW6986 | Lock Washer |
| MS35333-33 | Lock Washer |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-00-013-8578?
Does NSN 5310-00-013-8578 require demilitarization?
Does NSN 5310-00-013-8578 contain precious materials?
Does NSN 5310-00-013-8578 contain hazardous materials?
When the NSN 5310-00-013-8578 was assigned to the Federal Catalog?
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Pricing
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