12-18-1

View detailed technical data, stock status, and sourcing information for: 12-18-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-400-8510

Item Name Code

13393

Assigment Date

11/24/1969 (56 years ago)

A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes:flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes:disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.

0.395 inches minimum and 0.405 inches maximum hole diameter, rectangular cross-sectional shape style, round center hole shape style, 0.188 inches nominal thickness, round peripheral shape style

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: 0.395 inches minimum and 0.405 inches maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.188 inches nominal
Overall Diameter: 0.625 inches nominal
Part Name Assigned By Controlling Agency: navy special project
Material: steel comp 304 overall
Material Document And Classification: qq-s-763 fed spec single material response or qq-s-767 fed spec single material response overall

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
12-18-1	Flat Washer
75082-1	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-400-8510?

The FSCG of the NSN 5310-00-400-8510 is 5310

Does the NSN 5310-00-400-8510 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-400-8510 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 5310-00-400-8510 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-400-8510 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 5310-00-400-8510 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Mon, Nov 24, 1969