5305009214910

View detailed technical data, stock status, and sourcing information for: 5305009214910
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-921-4910

Item Name Code

18257

Assigment Date

11/03/1965 (60 years ago)

hexagon head style, 1.234 inches minimum and 1.266 inches maximum fastener length, 3a thread class, right-hand thread direction, 0.859 inches minimum and 0.891 inches 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 Class: 3a
Thread Direction: right-hand
Thread Length: 0.859 inches minimum and 0.891 inches maximum
Fastener Length: 1.234 inches minimum and 1.266 inches maximum
Head Style: hexagon
Head Height: 0.105 inches minimum and 0.120 inches maximum
Width Between Flats: 0.305 inches minimum and 0.312 inches maximum
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 24
Hardness Rating: 30.0 rockwell c minimum and 35.0 rockwell c maximum overall
Material: steel comp 4140 or steel comp 8640 or steel comp 8740 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty 2 cl 3 fed spec single treatment response overall
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5306-00-685-3396	No Name Available	05/05/1971

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
5305009214910	Hexagon Head Cap Screw
7974534	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-921-4910?

The FSCG of the NSN 5305-00-921-4910 is 5305

Does the NSN 5305-00-921-4910 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-921-4910 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 5305-00-921-4910 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-921-4910 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 5305-00-921-4910 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, Nov 3, 1965