018-7206

View detailed technical data, stock status, and sourcing information for: 018-7206

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018-7206
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-188-4233
Item Name Code
13393
Assigment Date
01/01/1963 (63 years ago)

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.

rectangular cross-sectional shape style, round peripheral shape style, round center hole shape style, 0.062 inches nominal thickness, 0.391 inches nominal hole diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Cross-Sectional Shape Style
rectangular
Hole Diameter
0.391 inches nominal
Peripheral Shape Style
round
Center Hole Shape Style
round
Thickness
0.062 inches nominal
Overall Diameter
0.625 inches nominal
Material
copper overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5330-00-097-5724 No Name Available 12/18/1967
5330-00-193-9750 No Name Available 11/28/1966
5310-00-209-0528 No Name Available 05/01/1977
5310-00-215-5153 No Name Available 01/01/1963
5310-00-276-8715 No Name Available 01/01/1960
5310-00-282-6914 No Name Available 03/27/1968
5310-00-331-2601 No Name Available 11/01/1968
5310-00-362-0126 No Name Available 01/01/1963
5310-00-364-6879 No Name Available 03/27/1968
2805-00-383-8771 No Name Available 01/01/1963
5310-00-385-0692 No Name Available 01/01/1963
5330-00-416-7521 No Name Available 01/01/1963
5310-00-428-6123 No Name Available 12/07/1966
5330-00-694-0668 No Name Available 11/25/1966
5310-00-843-7113 No Name Available 08/30/1967

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
018-7206 Flat Washer
0346650 Flat Washer
11997A Flat Washer
1B-4218 Flat Washer
20663-11 Flat Washer
22CR35 Flat Washer
4340903 Flat Washer
4340903-6 Flat Washer
54909H Flat Washer
5637 Flat Washer
5830E9226 Flat Washer
8144638 Flat Washer
851374 Flat Washer
AD95 Flat Washer
DC3457 Flat Washer
DE40903 Flat Washer
R7206 Flat Washer
S2055 Flat Washer
S679 Flat Washer
WC2785 Flat Washer
X14134 Flat Washer

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5310-00-188-4233?
The FSCG of the NSN 5310-00-188-4233 is 5310
Does the NSN 5310-00-188-4233 have a Schedule B code assigned?
Yes, the Schedule B code is 7415210000
Does NSN 5310-00-188-4233 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5310-00-188-4233 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-188-4233 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5310-00-188-4233 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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