4521-50-75-2N

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-380-5132

Item Name Code

20815

Assigment Date

09/21/1993 (32 years ago)

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

0.125 inches minimum and 0.131 inches maximum hole diameter, 0.016 inches nominal material thickness, 0.560 inches maximum length, 0.740 inches minimum and 0.760 inches maximum width, 0.620 inches maximum overall height

Product Characteristics

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

Hole Diameter: 0.125 inches minimum and 0.131 inches maximum
Width: 0.740 inches minimum and 0.760 inches maximum
Overall Height: 0.620 inches maximum
Material Thickness: 0.016 inches nominal
Length: 0.560 inches maximum
Hole Quantity: 2
Mounting Method: unthreaded hole
Distance From Loop Center To End: 0.320 inches minimum and 0.360 inches maximum
Loop/Holding Dimension: 0.485 inches minimum and 0.515 inches maximum
Material: steel overall
Surface Treatment: nickel 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
4521-50-75-2N	Spring Tension Clip
PWA55771-3	Spring Tension Clip

FAQs

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

What is the FSCG of the NSN 5340-01-380-5132?

The FSCG of the NSN 5340-01-380-5132 is 5340

Does the NSN 5340-01-380-5132 have a Schedule B code assigned?

Yes, the Schedule B code is 7326908630

Does NSN 5340-01-380-5132 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 5340-01-380-5132 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-380-5132 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 5340-01-380-5132 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Tue, Sep 21, 1993