5305-01-521-9681

Find complete technical information, availability, and procurement data for: 5305-01-521-9681
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-521-9681

Item Name Code

16282

Assigment Date

07/13/2004 (22 years ago)

An item designed to couple or join two different types or sizes of conduits, and/or to be inserted in the opening of a conduit outlet or box to accommodate a conduit of a larger or smaller size; or it may be designed with internal thread on one end for mating with an electrical connector and an external thread on the other end for mating with a conduit coupling nut; or to establish necessary mechanical accommodations between an electrical conduit, conduit assembly and an electrical connector. Excludes:reducing washer, knockout and box connector, electrical. See also adapter, cable to connector; and chase nipple, conduit.

3a thread class, right-hand thread direction, flat chamfer head style, 1.860 inches minimum and 1.890 inches maximum fastener length, 0.750 inches nominal thread length

Product Characteristics

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

Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.750 inches nominal
Fastener Length: 1.860 inches minimum and 1.890 inches maximum
Head Style: flat chamfer
Head Diameter: 0.176 inches minimum and 0.183 inches maximum
Head Height: 0.108 inches minimum and 0.112 inches maximum
Locking Feature: patch or pellet or strip threads
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.112 inches
Width Across Flats: 0.109 inches minimum and 0.111 inches maximum
Thread Quantity Per Inch: 40
Special Features: altered item drawing
Material: steel corrosion resisting 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
7226364-1	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-521-9681?

The FSCG of the NSN 5305-01-521-9681 is 5305

Does the NSN 5305-01-521-9681 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-521-9681 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 5305-01-521-9681 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-521-9681 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 5305-01-521-9681 was assigned to the Federal Catalog?

It was assigned 22 years ago, on Tue, Jul 13, 2004