MS51091-3

View detailed technical data, stock status, and sourcing information for: MS51091-3
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-684-3462

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.

-40.0 fahrenheit and 212.0 fahrenheit temp rating, solid single or composition cross-sectional shape style, 0.115 inches minimum and 0.135 inches maximum cross-sectional thickness, 0.990 inches minimum and 1.010 inches maximum outside diameter, 0.480 inches minimum and 0.490 inches maximum aperture diameter

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
Temp Rating: -40.0 fahrenheit and 212.0 fahrenheit
Outside Diameter: 0.990 inches minimum and 1.010 inches maximum
Aperture Diameter: 0.480 inches minimum and 0.490 inches maximum
Cross-Sectional Thickness: 0.115 inches minimum and 0.135 inches maximum
Hardness Rating: 65.0 shore durometer a minimum and 75.0 shore durometer a maximum overall
Material: rubber butadiene-acrylonitrile class nbr or rubber polyester urethane class au or rubber polyether urethane class eu overall
Material Document And Classification: astm d2000 grade 5bg715ab1e5f1 assn std all material responses 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
1021-552	Gasket
560E25-2031	Gasket
MS51091-3	Gasket

FAQs

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

What is the FSCG of the NSN 5330-00-684-3462?

The FSCG of the NSN 5330-00-684-3462 is 5330

Does NSN 5330-00-684-3462 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 5330-00-684-3462 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-684-3462 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 5330-00-684-3462 was assigned to the Federal Catalog?

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