National Item Identification Number
01-439-5931
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)
083V3
THE RAFU SHIMPO
DBA RAFU SHIMPO THE
259 S LOS ANGELES ST
LOS ANGELES
CA
90012
213-629-2231
083V0
GLOBAL ASSOCIATES LTD
SIGNAL PROCESSING SYSTEMS
13112 EVENING CREEK DR S
SAN DIEGO
CA
92128
619-679-6000
Reference Numbers (Part Numbers)
PL600371 ITEM 205
60093102
60093102
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
SURFACE TREAT
Required Description
ALUMINUM ALLOY 6061 OVERALL
QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OVERAL