1787406-2

View detailed technical data, stock status, and sourcing information for: 1787406-2
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Federal Supply Group

Nonmetallic Fabricated Materials

Federal Supply Classification

9390 Miscellaneous Fabricated Nonmetallic Materials

National Stock Number

9390-01-374-4721

Item Name Code

30218

Assigment Date

04/23/1993 (33 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

open channel with round base cross-sectional shape style, 2.125 inches nominal length, 0.063 inches nominal right side flange thickness, 0.063 inches nominal left side flange thickness, 0.312 inches nominal overall height

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: open channel with round base
Overall Height: 0.312 inches nominal
Length: 2.125 inches nominal
Left Side Flange Thickness: 0.063 inches nominal
Right Side Flange Thickness: 0.063 inches nominal
Physical Form: solid
First Slot/Groove Width: 0.125 inches nominal
Left-Side Flange Tip Style: left square end
Right-Side Flange Tip Style: right square end
Material: rubber

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
1787406-2	Nonmetallic Channel

FAQs

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

What is the FSCG of the NSN 9390-01-374-4721?

The FSCG of the NSN 9390-01-374-4721 is 9390

Does NSN 9390-01-374-4721 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 9390-01-374-4721 contain precious materials?

Item does not contain precious metal.

Does NSN 9390-01-374-4721 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 9390-01-374-4721 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Fri, Apr 23, 1993