71-91028

View detailed technical data, stock status, and sourcing information for: 71-91028
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Federal Supply Group

Nonmetallic Fabricated Materials

Federal Supply Classification

9340 Glass Fabricated Materials

National Stock Number

9340-01-340-5208

Item Name Code

16880

Assigment Date

06/14/1991 (35 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.

0.210 inches nominal overall thickness, 7.060 inches nominal overall length, translucent material transparency, 3 ply quantity, 1.630 inches nominal overall width

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Ply Quantity: 3
Overall Length: 7.060 inches nominal
Overall Width: 1.630 inches nominal
Overall Thickness: 0.210 inches nominal
Material Transparency: translucent
Edge Type: beveled
Insulating Air Space Material Arrangement: metal to glass
Special Features: 8,0.14 in. holes spaced equally
Material: glass
Style Designator: square corners

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
014-106568-01	Observation Window
71-91028	Observation Window

FAQs

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

What is the FSCG of the NSN 9340-01-340-5208?

The FSCG of the NSN 9340-01-340-5208 is 9340

Does the NSN 9340-01-340-5208 have a Schedule B code assigned?

Yes, the Schedule B code is 7016900000

Does NSN 9340-01-340-5208 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 9340-01-340-5208 contain precious materials?

Item does not contain precious metal.

Does NSN 9340-01-340-5208 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 9340-01-340-5208 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Fri, Jun 14, 1991