5305-01-531-9588

Find complete technical information, availability, and procurement data for: 5305-01-531-9588
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-531-9588

Item Name Code

18257

Assigment Date

07/22/2005 (21 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."

0.378 inches minimum and 0.403 inches maximum head height, 1.500 inches minimum and 1.750 inches maximum thread length, 2a thread class, 2.250 inches maximum fastener length, hexagon head style

Product Characteristics

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

Thread Class: 2a
Thread Length: 1.500 inches minimum and 1.750 inches maximum
Fastener Length: 2.250 inches maximum
Head Style: hexagon
Head Height: 0.378 inches minimum and 0.403 inches maximum
Width Between Flats: 0.993 inches maximum
Nominal Thread Diameter: 0.620 inches
Thread Quantity Per Inch: 20
Material: steel overall
Thread Series Designator: unc

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
B1821BH062C075N	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-531-9588?

The FSCG of the NSN 5305-01-531-9588 is 5305

Does the NSN 5305-01-531-9588 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-531-9588 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 5305-01-531-9588 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-531-9588 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 5305-01-531-9588 was assigned to the Federal Catalog?

It was assigned 21 years ago, on Fri, Jul 22, 2005