AD421-0172-0040

Bushing Insulator

This page provides complete and verified information for part number AD421-0172-0040, NSN 5970-00-001-1485

You’ll find detailed technical specifications, product attributes, condition classification, and real-time stock availability. All data is based on official records and meets industry standards for defense, aerospace, and industrial sourcing. Whether you’re performing a parts audit, validating compliance, or preparing a purchase order, this part listing supports accurate and efficient procurement.

Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5970 Electrical Insulators and Insulating Materials

National Stock Number

5970-00-001-1485

Item Name Code

18301

Assigment Date

09/24/1972 (53 years ago)

An insulator designed to fit into and reduce the effective diameter of the hole(s). It may include mounting and/or conducting hardware. For flexible bushing-type insulators that are self-retaining and consist of two facing flanges separated by a neck, see grommet, nonmetallic. Also see spacer, sleeve and bushing, sleeve. Excludes:insulation sleeving, electrical.

0.050 inches nominal shank height, 0.085 inches nominal overall height, 0.250 inches minimum and 0.255 inches maximum inside diameter, 0.337 inches minimum and 0.342 inches maximum shank outside diameter, 0.562 inches nominal outside diameter

Characteristics

Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.

Inside Diameter: 0.250 inches minimum and 0.255 inches maximum
Outside Diameter: 0.562 inches nominal
Overall Height: 0.085 inches nominal
Shank Outside Diameter: 0.337 inches minimum and 0.342 inches maximum
Shank Height: 0.050 inches nominal
Special Features: 200 microinch finish all machine surfaces
Material And Location: unable to decode
Style Designator: shoulder

Related Parts & Specifications

This NSN includes a range of related parts designed for specific operational needs. Review each item below to find in-depth specifications, functional details, and guidance for correct application and replacement.

Part Number	Name
AD421-0172-0040	Bushing Insulator

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for AD421-0172-0040

What is the FSCG of the NSN 5970-00-001-1485?

The FSCG of the NSN 5970-00-001-1485 is 5970

Does the NSN 5970-00-001-1485 have a Schedule B code assigned?

Yes, the Schedule B code is 8546900000

Does NSN 5970-00-001-1485 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 5970-00-001-1485 contain precious materials?

Item does not contain precious metal.

Does NSN 5970-00-001-1485 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 5970-00-001-1485 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Sun, Sep 24, 1972