S31018-2

View detailed technical data, stock status, and sourcing information for: S31018-2
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-491-5490

Item Name Code

04522

Assigment Date

06/11/1969 (57 years ago)

A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.

solid single or composition cross-sectional shape style, 0.175 inches minimum and 0.180 inches maximum cross-sectional thickness, zzzy criticality code justification, 0.438 inches minimum and 0.445 inches maximum aperture diameter, 0.594 inches minimum and 0.599 inches maximum outside 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: solid single or composition
Outside Diameter: 0.594 inches minimum and 0.599 inches maximum
Aperture Diameter: 0.438 inches minimum and 0.445 inches maximum
Cross-Sectional Thickness: 0.175 inches minimum and 0.180 inches maximum
Criticality Code Justification: zzzy
Material: plastic polypropylene overall
Style Designator: circular
Reference Number Differentiating Characteristics: cleaning, packaging, and marking iaw mil-std-1330d

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
21-19566MKA	Gasket
21-19566MKACP	Gasket
S31018-2	Gasket
S31018-2CP	Gasket

FAQs

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

What is the FSCG of the NSN 5330-00-491-5490?

The FSCG of the NSN 5330-00-491-5490 is 5330

Does NSN 5330-00-491-5490 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 5330-00-491-5490 contain precious materials?

Item does not contain precious metal.

Does NSN 5330-00-491-5490 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5330-00-491-5490 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Wed, Jun 11, 1969