31HCS21PC145

View detailed technical data, stock status, and sourcing information for: 31HCS21PC145
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-00-814-2347

Item Name Code

47946

Assigment Date

01/01/1962 (64 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.

2.129 inches nominal outside diameter, 1.979 inches minimum and 1.999 inches maximum center hole diameter, -65.0 fahrenheit and 275.0 fahrenheit temp rating, 160 maximum elongation percentage, 0.066 inches minimum and 0.074 inches maximum cross-sectional height

Product Characteristics

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

Outside Diameter: 2.129 inches nominal
Temp Rating: -65.0 fahrenheit and 275.0 fahrenheit
Cross-Sectional Height: 0.066 inches minimum and 0.074 inches maximum
Center Hole Diameter: 1.979 inches minimum and 1.999 inches maximum
Elongation Percentage: 160 maximum
Material: rubber synthetic

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5330-00-787-8885	No Name Available	12/01/1975

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
31FCS22PC145	O-Ring
31HCS17PC145	O-Ring
31HCS18PC145	O-Ring
31HCS21PC145	O-Ring
40400-4 FIND NO 20	O-Ring
6-10-65	O-Ring
845-00	O-Ring
ARP568-033M1LP5 516-70	O-Ring
ARP568-033MILP5 516-70	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-00-814-2347?

The FSCG of the NSN 5331-00-814-2347 is 5331

Does the NSN 5331-00-814-2347 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-00-814-2347 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 5331-00-814-2347 contain precious materials?

Precious metal content is unknown

Does NSN 5331-00-814-2347 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 5331-00-814-2347 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962