B78863

View detailed technical data, stock status, and sourcing information for: B78863

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B78863
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5331 O-Ring
National Stock Number
5331-00-066-2413
Item Name Code
47946
Assigment Date
01/01/1963 (63 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.

125 maximum elongation percentage, 0.359 inches minimum and 0.369 inches maximum center hole diameter, 0.067 inches minimum and 0.073 inches maximum cross-sectional height, 0.504 inches nominal outside diameter, -85.0 fahrenheit and 401.0 fahrenheit temp 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
0.504 inches nominal
Temp Rating
-85.0 fahrenheit and 401.0 fahrenheit
Cross-Sectional Height
0.067 inches minimum and 0.073 inches maximum
Center Hole Diameter
0.359 inches minimum and 0.369 inches maximum
Elongation Percentage
125 maximum
Hardness Rating
70.0 shore durometer a nominal
Material
rubber silicone class q

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5330-00-684-7853 No Name Available 08/27/1969
5330-00-811-0587 No Name Available 09/24/1996
5330-00-953-6458 No Name Available 04/01/1986
5330-01-424-2448 No Name Available 10/01/1996

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
10117039 O-Ring
B78863 O-Ring
MS9068-12 O-Ring
MS9608-012 O-Ring
S8057R7 O-Ring

FAQs

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

What is the FSCG of the NSN 5331-00-066-2413?
The FSCG of the NSN 5331-00-066-2413 is 5331
Does the NSN 5331-00-066-2413 have a Schedule B code assigned?
Yes, the Schedule B code is 4016930000
Does NSN 5331-00-066-2413 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 5331-00-066-2413 contain precious materials?
Item does not contain precious metal.
Does NSN 5331-00-066-2413 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 5331-00-066-2413 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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