5305-01-321-6684

Find complete technical information, availability, and procurement data for: 5305-01-321-6684
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-321-6684

Item Name Code

41756

Assigment Date

06/21/1990 (36 years ago)

"a device with means other than fuses for automatically opening the circuit in which it is installed when the current varies from the predetermined value for which the device is set. May include provisions for manual operation. At least one set of contacts must be in series with the actuating element(s). A combination of semiconductor and passive devices may be used in lieu of contacts. For automatically operated items in which the actuating (tripping) element and contacts are not in series, see relay (as modified). For items which are operated both manually and automatically but the actuating elements and contact are not in series, see relay-switch. Excludes:circuit breaker box and magneto "breaker" assemblies. See also switch (as modified); and controller."

0.551 inches minimum and 0.562 inches maximum width between flats, hexagon extended washer head style, 0.307 inches minimum and 0.358 inches maximum head height, 1.000 inches nominal fastener length, 0.720 inches minimum and 0.780 inches maximum extended washer diameter

Product Characteristics

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

Fastener Length: 1.000 inches nominal
Head Style: hexagon extended washer
Head Height: 0.307 inches minimum and 0.358 inches maximum
Width Between Flats: 0.551 inches minimum and 0.562 inches maximum
Extended Washer Diameter: 0.720 inches minimum and 0.780 inches maximum
Extended Washer Thickness: 0.037 inches minimum and 0.063 inches maximum
Internal Drive Style: w/o internal drive
Nonmachine Thread Style: thru slot (type d)
Nonmachine Nominal Thread Diameter: 0.312 inches
Material: steel overall

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
9417406	Tapping Screw
S-254	Tapping Screw

FAQs

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

What is the FSCG of the NSN 5305-01-321-6684?

The FSCG of the NSN 5305-01-321-6684 is 5305

Does the NSN 5305-01-321-6684 have a Schedule B code assigned?

Yes, the Schedule B code is 7318140000

Does NSN 5305-01-321-6684 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 5305-01-321-6684 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-321-6684 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 5305-01-321-6684 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Thu, Jun 21, 1990