1ST257-733

View detailed technical data, stock status, and sourcing information for: 1ST257-733
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5940 Terminal Strips, Terminals and Lugs

National Stock Number

5940-01-375-3421

Item Name Code

00137

Assigment Date

05/08/1993 (33 years ago)

An item designed to expedite or simplify the connection of two or more electrical conductors without bringing them to a fixed point such as a binding post or terminal. It may have a separate tubular shaped piece of nonmetallic, flexible material designed to be slipped over the crimped first piece to seal the conductor joint through heat sealing.

c-17a aircraft end item identification, heat shrinkable sleeve electrical insulation feature, 0.590 inches overall length, heat shrinkable basic shape style, blue identification code color

Product Characteristics

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

Overall Length: 0.590 inches
Electrical Insulation Feature: heat shrinkable sleeve
Identification Code Color: blue
End Item Identification: c-17a aircraft
Basic Shape Style: heat shrinkable
Criticality Code Justification: feat
Conductor Accommodation Type: recessed barrel all ends
Special Features: preinstalled lead color purple; for infrared heat
Material: plastic polyvinylidene fluoride insulation

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
1ST257-733	Conductor Splice
5D0032-A63	Conductor Splice
D-146-60-3	Conductor Splice
RST-146-63	Conductor Splice

FAQs

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

What is the FSCG of the NSN 5940-01-375-3421?

The FSCG of the NSN 5940-01-375-3421 is 5940

Does the NSN 5940-01-375-3421 have a Schedule B code assigned?

Yes, the Schedule B code is 8538907080

Does NSN 5940-01-375-3421 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 5940-01-375-3421 contain precious materials?

Item does not contain precious metal.

Does NSN 5940-01-375-3421 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 5940-01-375-3421 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Sat, May 8, 1993