257450PC2

View detailed technical data, stock status, and sourcing information for: 257450PC2
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-256-4471

Item Name Code

04522

Assigment Date

01/01/1963 (63 years ago)

A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes:flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes:disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.

rubber chloroprene class cr overall material, 2.547 inches minimum and 2.577 inches maximum aperture diameter, 0.089 inches minimum and 0.099 inches maximum cross-sectional thickness, 3.047 inches minimum and 3.077 inches maximum outside diameter, solid single or composition cross-sectional shape style

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: solid single or composition
Outside Diameter: 3.047 inches minimum and 3.077 inches maximum
Aperture Diameter: 2.547 inches minimum and 2.577 inches maximum
Cross-Sectional Thickness: 0.089 inches minimum and 0.099 inches maximum
Material: rubber chloroprene class cr overall
Material Document And Classification: mil-r-1149,ty 1 mil spec single material response overall
Style Designator: circular

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
257450PC2	Gasket

FAQs

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

What is the FSCG of the NSN 5330-00-256-4471?

The FSCG of the NSN 5330-00-256-4471 is 5330

Does NSN 5330-00-256-4471 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 5330-00-256-4471 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-256-4471 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 5330-00-256-4471 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963