ARP568-156MILR25897TY1CL1

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-00-042-8656

Item Name Code

47946

Assigment Date

05/22/1968 (58 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.

4.222 inches minimum and 4.252 inches maximum center hole diameter, 125 maximum elongation percentage, 0.100 inches minimum and 0.106 inches maximum cross-sectional height, rubber fluorocarbon class fpm material

Product Characteristics

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

Cross-Sectional Height: 0.100 inches minimum and 0.106 inches maximum
Center Hole Diameter: 4.222 inches minimum and 4.252 inches maximum
Elongation Percentage: 125 maximum
Material: rubber fluorocarbon class fpm

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
ARP568-156MILR25897TY1CL1	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-00-042-8656?

The FSCG of the NSN 5331-00-042-8656 is 5331

Does the NSN 5331-00-042-8656 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-00-042-8656 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 5331-00-042-8656 contain precious materials?

Precious metal content is unknown

Does NSN 5331-00-042-8656 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 5331-00-042-8656 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, May 22, 1968