A-3920-632-1

View detailed technical data, stock status, and sourcing information for: A-3920-632-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-309-4245

Item Name Code

40280

Assigment Date

10/18/1989 (36 years ago)

A headed fastener threaded externally on a portion or on the full length of the shank. The head has projections on the underside or periphery, or is otherwise designed to be mechanically pressed and embedded in a metallic panel, or the like. It is securely locked in position by the displaced metal. For items that require locking rings, see bolt, self-locking and stud, locked in. Excludes:insert, screw thread.

80250-nas1831 professional/industrial association standard specification/standard data, hexagon cross-sectional shape, left internal and right internal threads style designator, 0.246 inches minimum and 0.254 inches maximum width across flats, 1.370 inches minimum and 1.380 inches maximum length

Product Characteristics

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

Length: 1.370 inches minimum and 1.380 inches maximum
Cross-Sectional Shape: hexagon
Width Across Flats: 0.246 inches minimum and 0.254 inches maximum
Style Designator: left internal and right internal threads
Specification/Standard Data: 80250-nas1831 professional/industrial association standard

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
A-3920-632-1	Spacing Threaded Standoff
NAS1831A4C22	Spacing Threaded Standoff

FAQs

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

What is the FSCG of the NSN 5340-01-309-4245?

The FSCG of the NSN 5340-01-309-4245 is 5340

Does NSN 5340-01-309-4245 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 5340-01-309-4245 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-309-4245 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 5340-01-309-4245 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Wed, Oct 18, 1989