National Item Identification Number
01-171-0588
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)
K0763
ATLAS COPCO CONSTRUCTION & MINING LT
SWALLOWDALE LANE
HEMEL HEMPSTEAD
HP2 7HA
UNITED KINGDOM
01442 222100
23294
AVALON MACHINE PRODUCTS INC
15337 ALLEN ST
PARAMOUNT
CA
90723
59563
REID PRODUCTS INC
21430 WAALEW RD
APPLE VALLEY
CA
92307
760-240-1355
65910
MAYDAY MANUFACTURING CO INC
1500 INTERSTATE 35 W
DENTON
TX
76207
940-898-8301
70265
76301
Reference Numbers (Part Numbers)
ST4M144-03013
ST4M144-03013
ST4M144-03013
ST4M144-03013
ST4M144-03013
ST4M1
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
SURFACE TREAT
Required Description
COPPER ALLOY 630 OVERALL
AMS 4640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CA