5340-00-390-0653

Find complete technical information, availability, and procurement data for: 5340-00-390-0653
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-00-390-0653

Item Name Code

40280

Assigment Date

03/28/1974 (52 years ago)

A standoff that must have a threaded end(s) or be internally threaded its full length. For items having external threads on both ends, see stud (as modified). For items with an outside contour that is the same for the entire length, are flat on top and bottom, having internal threads its full length, and the length does not exceed twice the width across the flats or outside diameter, see nut (as modified); use maximum dimensions(s) for compliance.

0.180 inches nominal flatted portion length, 0.484 inches minimum and 0.485 inches maximum length, 0.185 inches nominal width between flats, round cross-sectional shape, 0.250 inches nominal diameter

Product Characteristics

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

Width Between Flats: 0.185 inches nominal
Diameter: 0.250 inches nominal
Length: 0.484 inches minimum and 0.485 inches maximum
Flatted Portion Length: 0.180 inches nominal
Cross-Sectional Shape: round
Distance From End To Flatted Section: 0.200 inches nominal
Left Counterbore Depth: 0.040 inches nominal
Left Counterbore Diameter: 0.125 inches nominal
Style Designator: left internal and right external thread

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5340-00-128-7556	No Name Available	06/09/1974

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
1626064-1	Spacing Threaded Standoff
1627792-1	Spacing Threaded Standoff

FAQs

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

What is the FSCG of the NSN 5340-00-390-0653?

The FSCG of the NSN 5340-00-390-0653 is 5340

Does NSN 5340-00-390-0653 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 5340-00-390-0653 contain precious materials?

Precious metal content is unknown

Does NSN 5340-00-390-0653 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 5340-00-390-0653 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Thu, Mar 28, 1974