5305-00-172-6790

Find complete technical information, availability, and procurement data for: 5305-00-172-6790
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-172-6790

Item Name Code

06672

Assigment Date

11/20/1971 (54 years ago)

headless (setscrew) head style, 3a thread class, 0.750 inches nominal fastener length, right-hand thread direction, 0.750 inches nominal 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: 0.750 inches nominal
Fastener Length: 0.750 inches nominal
Head Style: headless (setscrew)
Point Length: 0.053 inches minimum and 0.073 inches maximum
Point Diameter: 0.145 inches nominal
Point Style: dog
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.125 inches nominal
Thread Quantity Per Inch: 28
Hardness Rating: 28.0 rockwell c minimum and 34.0 rockwell c maximum overall
Part Name Assigned By Controlling Agency: navy special project
Special Features: nylon matl for non-standard point
Material: steel comp 4032 or steel comp 4137 or steel comp 4140 or steel comp 8630 or steel comp 8740 overall
Material Document And Classification: fed 66 fed std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 3 fed spec 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
323858-2	Setscrew

FAQs

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

What is the FSCG of the NSN 5305-00-172-6790?

The FSCG of the NSN 5305-00-172-6790 is 5305

Does the NSN 5305-00-172-6790 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-172-6790 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 5305-00-172-6790 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-172-6790 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 5305-00-172-6790 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sat, Nov 20, 1971