4521-18-31-1C2

View detailed technical data, stock status, and sourcing information for: 4521-18-31-1C2
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-451-0768

Item Name Code

20815

Assigment Date

12/04/1997 (28 years ago)

0.0230 inches minimum and 0.0270 inches maximum overall height, 0.0680 inches minimum and 0.0740 inches maximum hole diameter, 0.1800 inches minimum and 0.2200 inches maximum length, 0.0070 inches minimum and 0.0130 inches maximum material thickness, 0.3020 inches minimum and 0.3220 inches maximum width

Product Characteristics

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

Hole Diameter: 0.0680 inches minimum and 0.0740 inches maximum
Width: 0.3020 inches minimum and 0.3220 inches maximum
Overall Height: 0.0230 inches minimum and 0.0270 inches maximum
Material Thickness: 0.0070 inches minimum and 0.0130 inches maximum
Length: 0.1800 inches minimum and 0.2200 inches maximum
Hole Quantity: 2
Loop/Holding Dimension: 0.1750 inches nominal
Material: copper alloy 170 or copper alloy 172 overall
Material Document And Classification: astm-b-194 assn std single material response overall
Style Designator: standoff

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
100-300-1-4	Spring Tension Clip
130786-1	Spring Tension Clip
4521-18-31-1C2	Spring Tension Clip

FAQs

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

What is the FSCG of the NSN 5340-01-451-0768?

The FSCG of the NSN 5340-01-451-0768 is 5340

Does the NSN 5340-01-451-0768 have a Schedule B code assigned?

Yes, the Schedule B code is 7326908630

Does NSN 5340-01-451-0768 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 5340-01-451-0768 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-451-0768 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 5340-01-451-0768 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Thu, Dec 4, 1997