007991

View detailed technical data, stock status, and sourcing information for: 007991
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5940 Terminal Strips, Terminals and Lugs

National Stock Number

5940-01-421-4023

Item Name Code

00887

Assigment Date

11/08/1995 (30 years ago)

A tubular shaped item designed to maintain a predetermined distance between optical elements, such as lenses, reticles, and the like. The bore may be straight, tapered or counterbored, and may have annular serrations to converge or diverge light rays. The surfaces, which mate with the optics, are usually chamfered, concave, and/or have a specified finish designation in the range of 1 to 125 microinches arithmetical average (aa). See also spacer, sleeve and cell, optical element.

0.250 inches width across flats, 0.047 inches single end turret minor diameter, 0.094 inches single end largest diameter, 0.863 inches overall height, 0.237 inches terminal length

Product Characteristics

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

Terminal Length: 0.237 inches
Width Across Flats: 0.250 inches
Overall Height: 0.863 inches
Largest Diameter: 0.094 inches single end
Turret Minor Diameter: 0.047 inches single end
Electrical Insulation Feature: standoff insulation
Mounting Method Style: press fit
Minor Bushing Diameter: 0.203 inches
Major Bushing Diameter: 0.250 inches
Minor Bushing Length: 0.313 inches
Major Bushing Length: 0.082 inches
Basic Shape Style: nontubular, hex
Conductor Accommodation Type: double turret single end
Material: copper alloy overall except insulation
Surface Treatment: tin overall except insulation 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
007991	Stud Terminal
007991-3	Stud Terminal
1125-26-0519	Stud Terminal

FAQs

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

What is the FSCG of the NSN 5940-01-421-4023?

The FSCG of the NSN 5940-01-421-4023 is 5940

Does the NSN 5940-01-421-4023 have a Schedule B code assigned?

Yes, the Schedule B code is 8536904000

Does NSN 5940-01-421-4023 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 5940-01-421-4023 contain precious materials?

Item does not contain precious metal.

Does NSN 5940-01-421-4023 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 5940-01-421-4023 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Wed, Nov 8, 1995