SCB41208

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-291-7920

Item Name Code

04522

Assigment Date

01/01/1963 (63 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

0.560 inches nominal outside diameter, 0.413 inches minimum and 0.428 inches maximum aperture diameter, solid single or composition cross-sectional shape style, 55.0 shore durometer a minimum and 65.0 shore durometer a maximum overall hardness rating, 0.056 inches minimum and 0.076 inches maximum cross-sectional thickness

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: 0.560 inches nominal
Aperture Diameter: 0.413 inches minimum and 0.428 inches maximum
Cross-Sectional Thickness: 0.056 inches minimum and 0.076 inches maximum
Hardness Rating: 55.0 shore durometer a minimum and 65.0 shore durometer a maximum overall
Material: rubber chloroprene class cr overall
Material Document And Classification: mil-r-6855,gr 60 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
GA1850-14	Gasket
GR2119-2	Gasket
SCB41208	Gasket

FAQs

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

What is the FSCG of the NSN 5330-00-291-7920?

The FSCG of the NSN 5330-00-291-7920 is 5330

Does NSN 5330-00-291-7920 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 5330-00-291-7920 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-291-7920 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 5330-00-291-7920 was assigned to the Federal Catalog?

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