263CX8

View detailed technical data, stock status, and sourcing information for: 263CX8

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263CX8
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5330 Packing and Gasket Materials
National Stock Number
5330-00-050-1211
Item Name Code
04521
Assigment Date
09/03/1997 (28 years ago)

A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes:felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes:cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.

o-ring cross-sectional shape style, 0.100 inches minimum and 0.106 inches maximum cross-sectional height, 0.357 inches minimum and 0.367 inches maximum center hole diameter, -65.0 fahrenheit and 160.0 fahrenheit temp rating, 65.0 shore durometer a minimum and 71.0 shore durometer a maximum overall hardness rating

Product Characteristics

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

Cross-Sectional Shape Style
o-ring
Temp Rating
-65.0 fahrenheit and 160.0 fahrenheit
Cross-Sectional Height
0.100 inches minimum and 0.106 inches maximum
Center Hole Diameter
0.357 inches minimum and 0.367 inches maximum
Hardness Rating
65.0 shore durometer a minimum and 71.0 shore durometer a maximum overall
Material
rubber butadiene-acrylonitrile class nbr overall
Material Document And Classification
mil-p-5516,cl b mil spec single material response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5330-00-115-3087 No Name Available 03/19/1969
5330-00-187-3633 No Name Available 01/01/1963
5330-00-285-9850 No Name Available 01/01/1961
5330-00-298-5890 No Name Available 02/16/1966
1650-00-526-4314 No Name Available 04/03/1969
5330-00-542-1727 No Name Available 03/01/1977
5330-00-618-6652 No Name Available 01/01/1960
5330-00-620-3283 No Name Available 03/01/1984
5330-00-752-1814 No Name Available 03/30/1966

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:

Part Number Name
20002500 Preformed Packing
250S8 Preformed Packing
263CX8 Preformed Packing
5330000501211 Preformed Packing
AN6227-8 Preformed Packing
AN6227B8 Preformed Packing
M15D14 Preformed Packing
N0304 2-110 Preformed Packing
N304-7-8 Preformed Packing
PS1-30-5-8 Preformed Packing

FAQs

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

What is the FSCG of the NSN 5330-00-050-1211?
The FSCG of the NSN 5330-00-050-1211 is 5330
Does the NSN 5330-00-050-1211 have a Schedule B code assigned?
Yes, the Schedule B code is 3926904500
Does NSN 5330-00-050-1211 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 5330-00-050-1211 contain precious materials?
Item does not contain precious metal.
Does NSN 5330-00-050-1211 contain hazardous materials?
Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.
When the NSN 5330-00-050-1211 was assigned to the Federal Catalog?
It was assigned 28 years ago, on Wed, Sep 3, 1997

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