128B011

View detailed technical data, stock status, and sourcing information for: 128B011
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5970 Electrical Insulators and Insulating Materials

National Stock Number

5970-01-342-2724

Item Name Code

18295

Assigment Date

07/18/1991 (35 years ago)

An insulator having flat surfaces, with or without holes, whose thickness exceeds 25 percent of its length or width, whichever is smaller, and whose shape is other than round. It is used to support and/or separate electrical conductors and components. Excludes:insulator (1), standoff; insulator (1), plate; and insulator (1), spreader.

0.375 inches nominal overall height, 0.220 inches minimum and 0.280 inches maximum first hole diameter, 3.195 inches minimum and 3.198 inches maximum outside diameter, 0.220 inches minimum and 0.280 inches maximum third hole diameter, 0.921 inches minimum and 0.923 inches maximum second hole diameter

Product Characteristics

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

Outside Diameter: 3.195 inches minimum and 3.198 inches maximum
Overall Height: 0.375 inches nominal
First Hole Diameter: 0.220 inches minimum and 0.280 inches maximum
Second Hole Diameter: 0.921 inches minimum and 0.923 inches maximum
Third Hole Diameter: 0.220 inches minimum and 0.280 inches maximum
First Hole Spacing: 1.220 inches minimum and 1.280 inches maximum
Second Hole Spacing: 2.470 inches minimum and 2.530 inches maximum
Special Features: slot 0.060 by 2.972 through holes
Material And Location: overall plastic, polytetrafluoroethylene, mil-i-22241, type 1, grade c
Style Designator: drilled, flat

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
128B011	Disk Insulator
128B011H01	Disk Insulator

FAQs

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

What is the FSCG of the NSN 5970-01-342-2724?

The FSCG of the NSN 5970-01-342-2724 is 5970

Does the NSN 5970-01-342-2724 have a Schedule B code assigned?

Yes, the Schedule B code is 8546900000

Does NSN 5970-01-342-2724 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 5970-01-342-2724 contain precious materials?

Item does not contain precious metal.

Does NSN 5970-01-342-2724 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 5970-01-342-2724 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Thu, Jul 18, 1991