5310-01-555-4177 WASHER,FLAT Index 5310-01-557-3214 WASHER,LOCK

National Stock Number:
5310-01-556-4065

Federal Supply Class:
5310

National Item Identification Number:
015564065

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:
4284727076M6AMZ ALABAMA INC.
428472780212BAE SYSTEMS LAND & ARMAMENTS L.P.


Techincal Specification:
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER
SPECIAL FEATURESMATERIAL IS STEEL, CARBON, 1010 THRU 1025, SPEC ASTM A108 OR A576, 2.500 DIA BAR, OPTIONAL MATERIAL STEEL, CARBON, SPEC ASTM A36, 2.500 DIA BAR


Click here to Register for Free 30-day Trial