121057

View detailed technical data, stock status, and sourcing information for: 121057
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-720-4862

Item Name Code

04522

Assigment Date

01/01/1963 (63 years ago)

5.470 inches minimum and 5.530 inches maximum outside diameter, metal and synthetic rubber cross-sectional shape style, 4.750 inches nominal bolt circle diameter, 3.658 inches minimum and 3.718 inches maximum aperture diameter, 0.344 inches nominal hole 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: metal and synthetic rubber
Hole Diameter: 0.344 inches nominal
Bolt Circle Diameter: 4.750 inches nominal
Outside Diameter: 5.470 inches minimum and 5.530 inches maximum
Aperture Diameter: 3.658 inches minimum and 3.718 inches maximum
Cross-Sectional Thickness: 0.130 inches nominal
Gage Ring Thickness: 0.090 inches nominal
Material: aluminum alloy 6061 and rubber butadiene-acrylonitrile class nbr or aluminum alloy 6061 and rubber butadiene-styrene class sbr or aluminum alloy 6061 and rubber chloroprene class cr overall
Material Document And Classification: mil-r-6855 mil spec all material responses overall
Surface Treatment: anodize overall
Surface Treatment Document And Classification: mil-a-8625 mil spec single treatment response overall
Fsc Application Data: fuel tank,aircraft

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
121057	Gasket

FAQs

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

What is the FSCG of the NSN 5330-00-720-4862?

The FSCG of the NSN 5330-00-720-4862 is 5330

Does NSN 5330-00-720-4862 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 5330-00-720-4862 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-720-4862 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 5330-00-720-4862 was assigned to the Federal Catalog?

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