26591-2

View detailed technical data, stock status, and sourcing information for: 26591-2
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-940-8425

Item Name Code

04521

Assigment Date

12/07/1965 (60 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.

0.375 inches minimum and 0.385 inches maximum center hole diameter, 0.490 inches minimum and 0.510 inches maximum cross-sectional height, 0.795 inches minimum and 0.805 inches maximum peripheral diameter, special cross-sectional shape style, 0.240 inches minimum and 0.250 inches maximum rim surface width

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: special
Cross-Sectional Height: 0.490 inches minimum and 0.510 inches maximum
Rim Surface Width: 0.240 inches minimum and 0.250 inches maximum
Center Hole Diameter: 0.375 inches minimum and 0.385 inches maximum
Peripheral Diameter: 0.795 inches minimum and 0.805 inches maximum
Criticality Code Justification: zzzy
Material: plastic polytetrafluoroethylene overall
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
26591-1CP	Preformed Packing
26591-2	Preformed Packing

FAQs

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

What is the FSCG of the NSN 5330-00-940-8425?

The FSCG of the NSN 5330-00-940-8425 is 5330

Does the NSN 5330-00-940-8425 have a Schedule B code assigned?

Yes, the Schedule B code is 3926904500

Does NSN 5330-00-940-8425 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 5330-00-940-8425 contain precious materials?

Item does not contain precious metal.

Does NSN 5330-00-940-8425 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 5330-00-940-8425 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Tue, Dec 7, 1965