National Item Identification Number
00-802-1988
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)
00141
70318
00328
DESIGNATRONICS INC
DBA STERLING INSTRUMENT DIVISION
2101 JERICHO TPKE
NEW HYDE PARK
NY
11040
516-328-3300
00328
DESIGNATRONICS INC
DBA STERLING INSTRUMENT DIVISION
2101 JERICHO TPKE
NEW HYDE PARK
NY
11040
516-328-3300
10639
07187
D9853
TELDIX GMBH
105608
HEIDELBERG
GERMANY
06221-512-0
12444
DESIGNATRONICS INC
PERFECT GEAR AND INSTRUMENT DIV
2101 JERICHO TPKE
5416
NEW HYDE PARK
NY
11042
516-328-3300
12444
DESIGNATRONICS INC
PERFECT GEAR AND INSTRUMENT DIV
2101 JERICHO TPKE
5416
NEW HYDE PARK
NY
11042
516-328-3300
90536
LOCKHEED MARTIN CORPORATION
DBA LOCKHEED MARTIN
3333 PILOT KNOB RD
SAINT PAUL
MN
55121
651-456-3420
Reference Numbers (Part Numbers)
B4-4
CSPP1-8-4
G68
G68-4
SA1176-4
1754570-4
22 021-006
5030-1004
671-451
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
HOLE DIAMETER
Required Description
STEEL COMP 303 OVERALL
AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PASSIVAT