371-61B

View detailed technical data, stock status, and sourcing information for: 371-61B
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-141-3577

Item Name Code

04522

Assigment Date

01/01/1963 (63 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.

0.080 inches nominal cross-sectional thickness, 40.0 shore durometer a nominal overall hardness rating, solid single or composition cross-sectional shape style, 2.910 inches minimum and 2.920 inches maximum aperture diameter, 3.050 inches minimum and 3.090 inches maximum outside 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
Outside Diameter: 3.050 inches minimum and 3.090 inches maximum
Aperture Diameter: 2.910 inches minimum and 2.920 inches maximum
Cross-Sectional Thickness: 0.080 inches nominal
Hardness Rating: 40.0 shore durometer a nominal overall
Material: rubber butadiene-styrene class sbr overall
Material Document And Classification: il-r-6855 cl 3 gr 40 mil spec single material response overall
Style Designator: circular
Fsc Application Data: indicator,position

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
1280-00-330-3997	No Name Available	01/01/1963

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
371-61B	Gasket

FAQs

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

What is the FSCG of the NSN 5330-00-141-3577?

The FSCG of the NSN 5330-00-141-3577 is 5330

Does NSN 5330-00-141-3577 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 5330-00-141-3577 contain precious materials?

Item does not contain precious metal.

Does NSN 5330-00-141-3577 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 5330-00-141-3577 was assigned to the Federal Catalog?

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