B-5605

View detailed technical data, stock status, and sourcing information for: B-5605
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Federal Supply Group

Nonmetallic Fabricated Materials

Federal Supply Classification

9340 Glass Fabricated Materials

National Stock Number

9340-00-640-9191

Item Name Code

16880

Assigment Date

01/01/1963 (63 years ago)

A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes:felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes:cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.

1.750 inches nominal overall diameter, polished surface finish, clear material transparency, buffed finish special features, 0.281 inches nominal overall thickness

Product Characteristics

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

Overall Diameter: 1.750 inches nominal
Overall Thickness: 0.281 inches nominal
Surface Finish: polished
Material Transparency: clear
Special Features: buffed finish
Material: plastic
Style Designator: circular

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
3N193PC84	Observation Window
9CD1	Observation Window
9CD7	Observation Window
B-5605	Observation Window
B-5606	Observation Window

FAQs

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

What is the FSCG of the NSN 9340-00-640-9191?

The FSCG of the NSN 9340-00-640-9191 is 9340

Does the NSN 9340-00-640-9191 have a Schedule B code assigned?

Yes, the Schedule B code is 7016900000

Does NSN 9340-00-640-9191 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 9340-00-640-9191 contain precious materials?

Item does not contain precious metal.

Does NSN 9340-00-640-9191 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 9340-00-640-9191 was assigned to the Federal Catalog?

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