National Item Identification Number
00-188-4175
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)
63477
63477
24617
27315
SPH CRANE & HOIST INC
DBA MORRIS MATERIAL HANDLING
315 W FOREST HILL AVE
OAK CREEK
WI
53154
414-764-8572
76083
MACK TRUCKS INC
13302 PENNSYLVANIA AVE
HAGERSTOWN
MD
21742
610-709-3666
11083
12204
Reference Numbers (Part Numbers)
FC928
F928
080787
1B4M31
18Z59
302SK11
471723
5B3225
60039
79364
91T21
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
HARDNESS RATI
Required Description
STEEL COMP 1010 OVERALL
QQ-S-633-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVE