TA446

View detailed technical data, stock status, and sourcing information for: TA446
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Federal Supply Group

Nonmetallic Fabricated Materials

Federal Supply Classification

9330 Plastics Fabricated Materials

National Stock Number

9330-00-252-4618

Item Name Code

16880

Assigment Date

01/13/1972 (54 years ago)

A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.

polished surface finish, 1 ply quantity, weather resistant environmental protection, 0.250 inches nominal overall thickness, 1.188 inches nominal overall diameter

Product Characteristics

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

Ply Quantity: 1
Overall Diameter: 1.188 inches nominal
Overall Thickness: 0.250 inches nominal
Environmental Protection: weather resistant
Surface Finish: polished
Material Transparency: clear
Edge Type: shouldered
Minimum Tensile Strength: 8000 pounds per square inch
Material: plastic
Material Document And Classification: mil-p-5425,finish a mil spec single material response
Style Designator: circular

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
8145-01-099-0279	No Name Available	09/01/1986

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
TA446	Observation Window
TA446-1815	Observation Window

FAQs

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

What is the FSCG of the NSN 9330-00-252-4618?

The FSCG of the NSN 9330-00-252-4618 is 9330

Does the NSN 9330-00-252-4618 have a Schedule B code assigned?

Yes, the Schedule B code is 3926909988

Does NSN 9330-00-252-4618 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 9330-00-252-4618 contain precious materials?

Item does not contain precious metal.

Does NSN 9330-00-252-4618 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 9330-00-252-4618 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Thu, Jan 13, 1972