725-70-178

View detailed technical data, stock status, and sourcing information for: 725-70-178
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-00-137-3120

Item Name Code

47946

Assigment Date

07/30/1971 (55 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.

0.100 inches minimum and 0.106 inches maximum cross-sectional height, 9.707 inches minimum and 9.767 inches maximum center hole diameter, 200 maximum elongation percentage, 9.943 inches nominal outside diameter, 65.0 shore durometer a nominal hardness rating

Product Characteristics

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

Outside Diameter: 9.943 inches nominal
Cross-Sectional Height: 0.100 inches minimum and 0.106 inches maximum
Center Hole Diameter: 9.707 inches minimum and 9.767 inches maximum
Elongation Percentage: 200 maximum
Hardness Rating: 65.0 shore durometer a nominal
Material: rubber butadiene-acrylonitrile class nbr

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:

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10V60-141-178	O-Ring
1793-178	O-Ring
2-178 N602-70	O-Ring
2-178N602-70	O-Ring
457-60-178	O-Ring
725-70-178	O-Ring
7866-178	O-Ring
C-69-178	O-Ring
MS29513-178	O-Ring
PRP568-178-457-60	O-Ring
PX1775-178	O-Ring
RT253-65-178	O-Ring
SR-822A-6-178	O-Ring
SR-822A-60-178	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-00-137-3120?

The FSCG of the NSN 5331-00-137-3120 is 5331

Does the NSN 5331-00-137-3120 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-00-137-3120 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 5331-00-137-3120 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-00-137-3120 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 5331-00-137-3120 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Jul 30, 1971