National Item Identification Number
00-068-5652
National Stock Number
Item Name
WASHER,FLAT
Federal Supply Class
5310
Description
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.
Commercial and Government Entity Code (Supplier Data)
00088
ROYAL OAK GAGE INC
321 PARK DRIVE
TROY
MI
48083
248-585-5800
77445
93858
HOLBROOK MERRILL CO INC
1150 KIFER RD
SUNNYVALE
CA
94086
Reference Numbers (Part Numbers)
4886D2CL7
488602CL7
488602CL7
Required Categories
MATERIAL
SURFACE TREATMENT
HARDNESS RATING
HOLE DIAMETER
PERIPHERAL SHAPE ST
Required Description
STEEL COMP 4032 OVERALL
PASSIVATE OVERALL
35.0 ROCKWELL C MINIMUM AND
40.0 RO