5305-00-191-3747

Find complete technical information, availability, and procurement data for: 5305-00-191-3747
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-191-3747

Item Name Code

16282

Assigment Date

03/16/1970 (56 years ago)

2.250 inches minimum thread length, flat chamfer head style, right-hand thread direction, 3a thread class, 2.500 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: 3a
Thread Direction: right-hand
Thread Length: 2.250 inches minimum
Fastener Length: 2.500 inches nominal
Head Style: flat chamfer
Head Diameter: 1.293 inches minimum and 1.312 inches maximum
Head Height: 0.864 inches minimum and 0.875 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.875 inches
Width Across Flats: 0.750 inches nominal
Thread Quantity Per Inch: 9
Hardness Rating: 36.0 rockwell c minimum and 43.0 rockwell c maximum overall
Material: steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 overall
Material Document And Classification: mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6049 mil spec 5th material response overall
Test Data Document: "81349-mili6868 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
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
A414463-15	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-191-3747?

The FSCG of the NSN 5305-00-191-3747 is 5305

Does the NSN 5305-00-191-3747 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-191-3747 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 5305-00-191-3747 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-191-3747 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 5305-00-191-3747 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Mon, Mar 16, 1970