177-51-20-04

View detailed technical data, stock status, and sourcing information for: 177-51-20-04
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5970 Electrical Insulators and Insulating Materials

National Stock Number

5970-01-276-5217

Item Name Code

18294

Assigment Date

04/09/1988 (38 years ago)

An insulator that is essentially thin and flat, with one through hole centrally located. The general shape may vary by the addition of features such as beveled edges, indented surfaces, through hole keys, and/or peripheral flats. The thickness measured between the two parallel bearing surfaces must not exceed 25 percent of the outside diameter or the shortest distance between peripheral flats. The thickness measured between the two parallel bearing surfaces must not exceed 25 percent of the outside diameter or the shortest distance between peripheral flats. Excludes:items with more than one hole. See also insulator, disk; insulator, bead; insulator, bushing; and insulator, plate

0.200 inches nominal inside diameter, overall beryllium oxide material and location, round, flat style designator, 0.510 inches nominal outside diameter, 0.040 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.

Inside Diameter: 0.200 inches nominal
Outside Diameter: 0.510 inches nominal
Overall Height: 0.040 inches nominal
Material And Location: overall beryllium oxide
Style Designator: round, 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
177-51-20-04	Washer Insulator

FAQs

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

What is the FSCG of the NSN 5970-01-276-5217?

The FSCG of the NSN 5970-01-276-5217 is 5970

Does the NSN 5970-01-276-5217 have a Schedule B code assigned?

Yes, the Schedule B code is 8546900000

Does NSN 5970-01-276-5217 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 5970-01-276-5217 contain precious materials?

Item does not contain precious metal.

Does NSN 5970-01-276-5217 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 5970-01-276-5217 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Sat, Apr 9, 1988