National Item Identification Number
99-971-0808
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)
K7766
BRITISH STANDARDS INSTITUTION
389 CHISICK HIGH ROAD
LONDON
W4 4AL
UNITED KINGDOM
0208 996 9000
K3743
BAE SYSTEMS LAND SYSTEMS MUNITIONS &
ORDANCE LTD
NEW PARKS
LEICESTER
LE3 1UF
UNITED KINGDOM
0116 256 1031
K3732
HEIL TRAILER INTERNATIONAL LTD
PICCADILY WAY
KINGSBURY TAMWORTH
B78 2EB
UNITED KINGDOM
01827 871182
K5974
ROLLS-ROYCE PLC NAVAL MARINE
BUILDING 13 MAIL POINT EW3-17
PO BOX 3
FILTON BRISTOL
BS34 7QE
UNITED KINGDOM
0117 974 8500
K5974
ROLLS-ROYCE PLC NAVAL MARINE
BUILDING 13 MAIL POINT EW3-17
PO BOX 3
FILTON BRISTOL
BS34 7QE
UNITED KINGDOM
0117 974 8500
Reference Numbers (Part Numbers)
BS3410
NM33070TX
202336-6
910-031-0122
9100310122
Required Categories
Required Description
