RLA21SM4.213
View detailed technical data, stock status, and sourcing information for: RLA21SM4.213
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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.
0.354 inches nominal outside diameter, 0.298 inches nominal shoulder diameter, 0.057 inches minimum and 0.067 inches maximum overall height, steel corrosion resisting overall material, 0.213 inches minimum and 0.216 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
- 0.213 inches minimum and 0.216 inches maximum
- Shoulder Diameter
- 0.298 inches nominal
- Outside Diameter
- 0.354 inches nominal
- Overall Height
- 0.057 inches minimum and 0.067 inches maximum
- Material
- steel corrosion resisting overall
- Material Document And Classification
- qq-s-763 class 7. type a fed spec single material response overall
- Surface Treatment
- passivate overall
- Style Designator
- serrated and shouldered
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5310-00-055-7689 | No Name Available | 12/15/1967 |
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 |
|---|---|
| 12Z3002-5 | Lock Washer |
| RLA21SM4.213 | Lock Washer |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-00-059-8374?
Does the NSN 5310-00-059-8374 have a Schedule B code assigned?
Does NSN 5310-00-059-8374 require demilitarization?
Does NSN 5310-00-059-8374 contain precious materials?
Does NSN 5310-00-059-8374 contain hazardous materials?
When the NSN 5310-00-059-8374 was assigned to the Federal Catalog?
Professional Distribution
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Pricing
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