National Item Identification Number
99-977-1099
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
U1585
HONEYWELL HYMATIC
BURNT MEADOW ROAD
NORTH MOONS MOAT REDDITCH
B98 9HJ
UNITED KINGDOM
01527 64931
U1725
MINISTRY OF DEFENCE AIR DOMESTIC R
FERENCE NUMBER USE ONLY
KENTIGERN HOUSE ROOM 2300 65 BROWN
TREET
GLASGOW
G2 8EX
UNITED KINGDOM
0141 224 2207
KA464
MINISTRY OF DEFENCE NAVY SHIPS SUPP
RT AGENCY
UWSSE14 ELM 3B MOD ABBEY WOOD 199E2
BRISTOL
BS34 8JH
UNITED KINGDOM
0117 91 38007
K1020
MBDA UK
NEW FILTON HOUSE
PO BOX 5
FILTON BRISTOL
BS34 7QW
UNITED KINGDOM
0117 969 3866
U6441
BAE SYSTEMS OPERATIONS LTD T/A BAE
YSTEMS PLYMOUTH
CLITTAFORD ROAD SOUTHWAY
PLYMOUTH
PL6 6DE
UNITED KINGDOM
01752 695695
Reference Numbers (Part Numbers)
BS4320
M-TS-500307-01
10MR7001631
100350-9000-025
100350-9000-025
7980 2960
Required Categories
Required Description