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Worldwide distributor of NSN parts and consumables located in the USA.

Flat Washer

Model / MPN: R0002977 | NSN: 5310-01-557-6802
ITAR Registered seal

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.

Product Details
NATO Stock Number
5310-01-557-6802
Sold in multiples of
1 EA
DEMIL
NO
Cross Sectional Shape
Rectangular
Hole Diameter
15.000 millimeters
Edge Shape
Round
Center Hole Shape
1 round
Thickness
2.500 millimeters
Overall Diameter
28.000 millimeters
End Application
Mrap - unique nsn - used on 2 mrap variants
Material
Steel comp 1033
Material Specification
Din1624, beschaffenheit k60 assn standard single material response
Test Data Document
D8286-din125 standard (includes industry or association standards, individual manufactureer standards, etc.).

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R0002977 Cross Reference
  • ISO7089-A15-1.0330K60
  • R0002977-0106
  • R0002977-0300
  • R0002977