C401-1

View detailed technical data, stock status, and sourcing information for: C401-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-027-5634

Item Name Code

04522

Assigment Date

05/09/1967 (59 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.

metal and synthetic rubber cross-sectional shape style, 0.344 inches minimum and 0.352 inches maximum hole diameter, 4.035 inches nominal overall width, 3.375 inches nominal bolt circle diameter, 2.190 inches nominal 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: metal and synthetic rubber
Hole Diameter: 0.344 inches minimum and 0.352 inches maximum
Bolt Circle Diameter: 3.375 inches nominal
Overall Width: 4.035 inches nominal
Aperture Diameter: 2.190 inches nominal
Outside Corner Radius: 0.330 inches nominal
Side Radius From Gasket Center: 1.400 inches nominal
Cross-Sectional Thickness: 0.120 inches nominal
Gage Ring Thickness: 0.080 inches nominal
Elongation Percentage: 125 maximum
Material: aluminum alloy 6061 and rubber fluorosilicone class fq overall
Material Document And Classification: qq-a-250/11 fed spec 1st material response and mil-r-25988 mil spec 2nd material response overall
Surface Treatment: anodize overall
Surface Treatment Document And Classification: mil-a-8625 ty 2 mil spec single treatment response overall

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
5330PL0658592	Gasket
BA3133	Gasket
C401-1	Gasket

FAQs

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

What is the FSCG of the NSN 5330-00-027-5634?

The FSCG of the NSN 5330-00-027-5634 is 5330

Does the NSN 5330-00-027-5634 have a Schedule B code assigned?

Yes, the Schedule B code is 7616108000

Does NSN 5330-00-027-5634 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 5330-00-027-5634 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-027-5634 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 5330-00-027-5634 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Tue, May 9, 1967