National Item Identification Number
99-977-1097
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
K8317
METALLINE INTERNATIONAL LTD METALITE
AVIATION LIGHTING DIVISION
WINSTER GROVE
GREAT BARR BIRMINGHAM
B44 9EJ
UNITED KINGDOM
0121 360 2222
U4104
GIRO ENGINEERING LTD
TALISMAN DUNCAN ROAD
PARK GATE SOUTHAMPTON
SO31 7GA
UNITED KINGDOM
01489 885288
K1020
MBDA UK
NEW FILTON HOUSE
PO BOX 5
FILTON BRISTOL
BS34 7QW
UNITED KINGDOM
0117 969 3866
K1020
MBDA UK
NEW FILTON HOUSE
PO BOX 5
FILTON BRISTOL
BS34 7QW
UNITED KINGDOM
0117 969 3866
Reference Numbers (Part Numbers)
BS4320
BS4320FT06.00RD12.50ST00N0
GM-E113554 ITEM 53
ST1206/WF
100347-9000-0
Required Categories
Required Description
