5310-01-580-5044 NUT,PLAIN,HEXAGON Index 5310-01-580-5050 NUT,SELF-LOCKING,GANG CHANNEL

National Stock Number:
5310-01-580-5048

Federal Supply Class:
5310

National Item Identification Number:
015805048

Description:
WASHER,FLAT

Detail:
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 maximum 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.


Manufacturer Information:
1.250ODX0.48IDX0.250CRES31681349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
709-5486669 ITEM 22853711NAVAL SEA SYSTEMS COMMAND
709-5486669 ITEM 23153711NAVAL SEA SYSTEMS COMMAND


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