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1793-142

View detailed technical data, stock status, and sourcing information for: 1793-142

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1793-142
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5331 O-Ring
National Stock Number
5331-00-252-6056
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.

2.352 inches minimum and 2.372 inches maximum center hole diameter, 2.542 inches minimum and 2.594 inches maximum outside diameter, rubber butadiene-acrylonitrile class nbr material, 0.100 inches minimum and 0.106 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
2.542 inches minimum and 2.594 inches maximum
Cross-Sectional Height
0.100 inches minimum and 0.106 inches maximum
Center Hole Diameter
2.352 inches minimum and 2.372 inches maximum
Material
rubber butadiene-acrylonitrile class nbr

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5330-00-599-2730 No Name Available 01/01/1963
5330-00-819-9538 No Name Available 07/25/1966

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:

FAQs

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

What is the FSCG of the NSN 5331-00-252-6056?
The FSCG of the NSN 5331-00-252-6056 is 5331
Does the NSN 5331-00-252-6056 have a Schedule B code assigned?
Yes, the Schedule B code is 4016930000
Does NSN 5331-00-252-6056 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 5331-00-252-6056 contain precious materials?
Precious metal content is unknown
Does NSN 5331-00-252-6056 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 5331-00-252-6056 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

Professional Distribution

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Pricing

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ITAR Registered

In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

New Material 6,298
New Surplus 623
Serviceable 7
Total 6,928
Availability of this item was last updated on: 01/14/2026 07:01 PM EST. Stock levels and pricing are subject to change.

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