5305-00-421-6840

Find complete technical information, availability, and procurement data for: 5305-00-421-6840
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-421-6840

Item Name Code

22846

Assigment Date

12/23/1970 (55 years ago)

hexagon head style, right-hand thread direction, 0.661 inches maximum thread length, 2a thread class, 1.406 inches nominal fastener 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: 2a
Thread Direction: right-hand
Thread Length: 0.661 inches maximum
Fastener Length: 1.406 inches nominal
Head Style: hexagon
Head Height: 0.188 inches nominal
Width Between Flats: 0.375 inches nominal
Shoulder Diameter: 0.247 inches minimum and 0.249 inches maximum first shoulder
Shoulder Length: 0.703 inches minimum and 0.707 inches maximum first shoulder
Internal Drive Style: slot
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Shoulder Shape: round first shoulder
Surface Treatment: nickel overall
Surface Treatment Document And Classification: 21 fscm 23610 mfr ref single treatment response overall
Thread Series Designator: unf

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
4000926	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-00-421-6840?

The FSCG of the NSN 5305-00-421-6840 is 5305

Does NSN 5305-00-421-6840 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 5305-00-421-6840 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-421-6840 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 5305-00-421-6840 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Dec 23, 1970