9957M91

View detailed technical data, stock status, and sourcing information for: 9957M91
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-01-181-9666

Item Name Code

04522

Assigment Date

06/19/1984 (42 years ago)

A straight fitting 12 inches (304 mm) long or under having the same or different type of connection of the same size on both ends. It is designed to join a tube or tube fitting to another tube or tube fitting. Excludes:fittings with threaded external connections on both ends. Excludes:nipple, pipe.

0.280 inches minimum and 0.350 inches maximum outside corner radius, 0.280 inches minimum and 0.287 inches maximum hole diameter, 1.898 inches nominal bolt circle diameter, 0.894 inches minimum and 0.914 inches maximum aperture diameter, metal and synthetic rubber cross-sectional shape style

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: 0.280 inches minimum and 0.287 inches maximum
Bolt Circle Diameter: 1.898 inches nominal
Aperture Diameter: 0.894 inches minimum and 0.914 inches maximum
Outside Corner Radius: 0.280 inches minimum and 0.350 inches maximum
Cross-Sectional Thickness: 0.107 inches minimum and 0.141 inches maximum
Gage Ring Thickness: 0.071 inches minimum and 0.091 inches maximum
Special Features: nonmettalic seal insert
Material: aluminum alloy 6061 retainer
Style Designator: triangle

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
738021	Gasket
9957M91	Gasket
9957M91P01	Gasket
9957M91P02	Gasket
BA6354	Gasket

FAQs

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

What is the FSCG of the NSN 5330-01-181-9666?

The FSCG of the NSN 5330-01-181-9666 is 5330

Does NSN 5330-01-181-9666 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 5330-01-181-9666 contain precious materials?

Item does not contain precious metal.

Does NSN 5330-01-181-9666 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 5330-01-181-9666 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Tue, Jun 19, 1984