5305-01-278-6621

Find complete technical information, availability, and procurement data for: 5305-01-278-6621
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-278-6621

Item Name Code

06672

Assigment Date

05/07/1988 (38 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes:undercuts for thread relief). It is no. 10 (0.190 in.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, internal wrenching and thumbscrew. See also screw, externally relieved body.

right-hand thread direction, headless (setscrew) head style, 0.375 inches nominal thread length, hexagon internal drive style, 0.250 inches nominal thread diameter

Product Characteristics

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

Thread Direction: right-hand
Thread Length: 0.375 inches nominal
Head Style: headless (setscrew)
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 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
SPP60-553	Setscrew

FAQs

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

What is the FSCG of the NSN 5305-01-278-6621?

The FSCG of the NSN 5305-01-278-6621 is 5305

Does the NSN 5305-01-278-6621 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-278-6621 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 5305-01-278-6621 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-278-6621 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 5305-01-278-6621 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Sat, May 7, 1988