A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes disk, valve, graphite impregnated and lubricated items.
The last inventory check on this NSN was done on 10/13/2021. Due to rapid changes in inventory this may not be the current stock qty.
Copper washers including spring washers not threaded
Washers (including spring washers) and similar articles, not threaded, of copper
Finished metal shapes
N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.PMIC
U - Precious metal content is unknownCRITL
- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Questions & Answers:
|What are the historical prices recorded for this stock number?|
|No pre-dated pricing for this NSN could be found.|
|Does NSN 5310-00-188-4233 have a shelf life?|
|No. There is no shelf life applicable for this NSN.|
|What NATO entities are users of this NSN?|
|Austria, Brazil, Spain, Singapore, Malaysia, Australia, New Zealand, Republic Of Korea, United Kingdom, Portugal, Greece, and Turkey|
|What is the NIIN of NSN 5310-00-188-4233?|
|001884233 or 00-188-4233|
|Does NSN 5310-00-188-4233 require demilitarization?|
|Yes - ITAR Controlled|
|What is the most recent solicitation for NSN 5310-00-188-4233?|
|No solicitations for this NSN.|
|When was this national stock number assigned to the federal catalog?|
|Jan 01, 1963|