4-4491

View detailed technical data, stock status, and sourcing information for: 4-4491
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-740-2186

Item Name Code

04522

Assigment Date

01/01/1963 (63 years ago)

solid single or composition cross-sectional shape style, 11.310 inches nominal outside diameter, 7.690 inches nominal aperture diameter, gun sp m42a1 end item identification, 0.015 inches minimum and 0.018 inches maximum cross-sectional thickness

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: 11.310 inches nominal
Aperture Diameter: 7.690 inches nominal
Cross-Sectional Thickness: 0.015 inches minimum and 0.018 inches maximum
End Item Identification: gun sp m42a1
First Bolt Circle Diameter: 8.688 inches nominal
Second Bolt Circle Diameter: 9.688 inches nominal
Smallest Bolt Hole Diameter: 0.410 inches minimum and 0.440 inches maximum
Largest Bolt Hole Diameter: 1.250 inches minimum and 1.280 inches maximum
Smallest Bolt Hole Quantity: 8
Largest Bolt Hole Quantity: 2
Material: rubber synthetic and cork overall
Material Document And Classification: mil-g-6183,type 1,class 2 mil spec single material response overall
Style Designator: equally spaced bolt holes

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
4-4491	Gasket
7402186	Gasket

FAQs

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

What is the FSCG of the NSN 5330-00-740-2186?

The FSCG of the NSN 5330-00-740-2186 is 5330

Does NSN 5330-00-740-2186 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 5330-00-740-2186 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-740-2186 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 5330-00-740-2186 was assigned to the Federal Catalog?

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