0121886

View detailed technical data, stock status, and sourcing information for: 0121886
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-645-4345

Item Name Code

18257

Assigment Date

06/16/2015 (11 years ago)

A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.

hexagon head style, right-hand thread direction, 18.9 millimeters nominal head length, 9.8 millimeters minimum and 10.1 millimeters maximum head height, 74.4 millimeters minimum and 75.6 millimeters maximum 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 Direction: right-hand
Thread Length: 74.4 millimeters minimum and 75.6 millimeters maximum
Head Style: hexagon
Head Height: 9.8 millimeters minimum and 10.1 millimeters maximum
Head Length: 18.9 millimeters nominal
Width Between Flats: 23.6 millimeters minimum and 24.0 millimeters maximum
Nominal Thread Diameter: 16.0 millimeters
Thread Pitch In Millimeters: 2.0
Chamfer Angle: 15.0 degrees minimum and 30.0 degrees maximum
Part Name Assigned By Controlling Agency: hex cap screw
Special Features: specification 933, class 8.8
Surface Treatment: zinc 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
0121886	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-645-4345?

The FSCG of the NSN 5305-01-645-4345 is 5305

Does NSN 5305-01-645-4345 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 5305-01-645-4345 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-645-4345 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 5305-01-645-4345 was assigned to the Federal Catalog?

It was assigned 11 years ago, on Tue, Jun 16, 2015