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DD-4686 REF NO 16

View detailed technical data, stock status, and sourcing information for: DD-4686 REF NO 16

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DD-4686 REF NO 16
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5331 O-Ring
National Stock Number
5331-00-166-8400
Item Name Code
47946
Assigment Date
11/19/1971 (54 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, 75.0 shore durometer a nominal hardness rating, 4.159 inches minimum and 4.227 inches maximum outside diameter, 3.959 inches minimum and 4.015 inches maximum center hole diameter, 125 maximum elongation percentage

Product Characteristics

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

Outside Diameter
4.159 inches minimum and 4.227 inches maximum
Cross-Sectional Height
0.100 inches minimum and 0.106 inches maximum
Center Hole Diameter
3.959 inches minimum and 4.015 inches maximum
Elongation Percentage
125 maximum
Hardness Rating
75.0 shore durometer a nominal
Material
rubber fluorocarbon class fpm

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5330-01-012-5145 No Name Available 09/04/1991
5330-01-049-2222 No Name Available 08/01/1990
5330-01-188-0889 No Name Available 04/01/1986
5330-01-284-3386 No Name Available 06/01/1998
5330-01-311-5965 No Name Available 07/01/1991

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FAQs

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

What is the FSCG of the NSN 5331-00-166-8400?
The FSCG of the NSN 5331-00-166-8400 is 5331
Does the NSN 5331-00-166-8400 have a Schedule B code assigned?
Yes, the Schedule B code is 4016930000
Does NSN 5331-00-166-8400 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 5331-00-166-8400 contain precious materials?
Item does not contain precious metal.
Does NSN 5331-00-166-8400 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 5331-00-166-8400 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Fri, Nov 19, 1971

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