National Item Identification Number
00-656-0430
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)
04804
NORTHROP GRUMMAN SYSTEMS CORP
ES POWER CONTROL SYSTEMS - MS8910
7301 SYKESVILLE RD
SYKESVILLE
MD
21784
410-552-2455
86928
SEASTROM MANUFACTURING CO.
456 SEASTROM ST
TWIN FALLS
ID
83301
208-737-4300
03538
LOCKHEED MARTIN CORPORATION
DBA MS2 DIV MARITIME SYSTEMS &
497 ELECTRONICS PKWY 5 BLD
LIVERPOOL
NY
13088
315-456-2622
03538
LOCKHEED MARTIN CORPORATION
DBA MS2 DIV MARITIME SYSTEMS &
497 ELECTRONICS PKWY 5 BLD
LIVERPOOL
NY
13088
315-456-2622
24446
18876
Reference Numbers (Part Numbers)
100H154PC72
5710-61-30P
7058450P4
7058490P4
7058490P4
9053961
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
HOLE DIAMETER
Required Description
STEEL COMP 302 OVERALL
MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
PA