2021B4

View detailed technical data, stock status, and sourcing information for: 2021B4
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5940 Terminal Strips, Terminals and Lugs

National Stock Number

5940-00-493-9549

Item Name Code

00887

Assigment Date

10/14/1970 (55 years ago)

A light, with mounting facilities furnished, designed to convey information of a specific nature concerning the circuit in which inserted. Must include or provide for the use of a lens as a part of it. For items without a lens, see lampholder, and also see light (1), panel.

0.240 inches overall height, 0.125 inches overall diameter, 0.116 inches terminal length, 0.032 inches single end slot width, 0.100 inches single end slot depth

Product Characteristics

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

Slot Width: 0.032 inches single end
Slot Depth: 0.100 inches single end
Terminal Length: 0.116 inches
Overall Height: 0.240 inches
Overall Diameter: 0.125 inches
Thru-Hole Diameter: 0.043 inches
Largest Diameter: 0.094 inches single end
Electrical Insulation Feature: uninsulated
Mounting Method Style: swage
Minor Bushing Length: 0.084 inches
Swage Depth: 0.042 inches
Swage Outside Diameter: 0.063 inches
Basic Shape Style: tubular, round
Conductor Accommodation Type: pin w/slot single end
Material: copper alloy overall
Material Document And Classification: qq-b-626,comp 22,1/2 h fed spec single material response overall
Precious Material And Location: overall silver
Precious Material And Weight: 0.040 silver grains, troy
Precious Material: silver
Surface Treatment: silver overall single layer
Surface Treatment Document And Classification: qq-s-365,ty 3 fed spec single treatment response overall single layer

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
12-449-2-01	Stud Terminal
2021B-1	Stud Terminal
2021B4	Stud Terminal
860061-167	Stud Terminal

FAQs

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

What is the FSCG of the NSN 5940-00-493-9549?

The FSCG of the NSN 5940-00-493-9549 is 5940

Does the NSN 5940-00-493-9549 have a Schedule B code assigned?

Yes, the Schedule B code is 8536904000

Does NSN 5940-00-493-9549 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 5940-00-493-9549 contain precious materials?

Item contains silver.

Does NSN 5940-00-493-9549 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5940-00-493-9549 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Oct 14, 1970