20-228G

View detailed technical data, stock status, and sourcing information for: 20-228G
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part 20-228G to receive an up to date pricing and availability quote by email.

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-231-4270

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.

0.562 inches nominal hole diameter, 1.562 inches nominal aperture diameter, 3.500 inches nominal overall width, solid single or composition cross-sectional shape style, 1.250 inches nominal bolt circle 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
Hole Diameter: 0.562 inches nominal
Bolt Circle Diameter: 1.250 inches nominal
Overall Width: 3.500 inches nominal
Aperture Diameter: 1.562 inches nominal
Outside Corner Radius: 0.500 inches nominal
Side Radius From Gasket Center: 1.250 inches nominal
Cross-Sectional Thickness: 0.031 inches nominal
Bolt Hole Quantity: 2
Material: paper and glue and glycerin overall
Material Document And Classification: hh-p-96 fed spec all material responses overall
Style Designator: non-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
150-406GPC228	Gasket
150-406KPC228	Gasket
20-228G	Gasket
390000PC228	Gasket
533825PC228	Gasket

FAQs

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

What is the FSCG of the NSN 5330-00-231-4270?

The FSCG of the NSN 5330-00-231-4270 is 5330

Does NSN 5330-00-231-4270 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 5330-00-231-4270 contain precious materials?

Item does not contain precious metal.

Does NSN 5330-00-231-4270 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 5330-00-231-4270 was assigned to the Federal Catalog?

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