5970-00-521-4507

Find complete technical information, availability, and procurement data for: 5970-00-521-4507
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5970 Electrical Insulators and Insulating Materials

National Stock Number

5970-00-521-4507

Item Name Code

18301

Assigment Date

01/01/1960 (66 years ago)

0.219 inches nominal countersink major diameter, 45.0 countersink angle in deg, 0.343 inches nominal outside diameter, 1.156 inches nominal overall height, 0.131 inches minimum and 0.141 inches maximum inside diameter

Product Characteristics

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

Inside Diameter: 0.131 inches minimum and 0.141 inches maximum
Countersink Angle In Deg: 45.0
Outside Diameter: 0.343 inches nominal
Overall Height: 1.156 inches nominal
Countersink Major Diameter: 0.219 inches nominal
Shank Outside Diameter: 0.243 inches minimum and 0.253 inches maximum
Shank Height: 1.032 inches nominal
Screw Thread Series Designator And Location: first counterbore unc
First Slot Width: 0.062 inches nominal
Screw Thread Quantity Per Inch And Location: 32 first counterbore
Screw Thread Diameter And Location: 0.164 first counterbore inches nominal
Thread Class And Location: 32 first counterbore
First Slot Depth: 0.062 inches nominal
Special Features: countersunk shank end 0.164 in. dia,120.0 deg

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
157-68060	Bushing Insulator

FAQs

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

What is the FSCG of the NSN 5970-00-521-4507?

The FSCG of the NSN 5970-00-521-4507 is 5970

Does the NSN 5970-00-521-4507 have a Schedule B code assigned?

Yes, the Schedule B code is 8546900000

Does NSN 5970-00-521-4507 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 5970-00-521-4507 contain precious materials?

Precious metal content is unknown

Does NSN 5970-00-521-4507 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 5970-00-521-4507 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960