5305-00-939-7063

Find complete technical information, availability, and procurement data for: 5305-00-939-7063
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-939-7063

Item Name Code

18257

Assigment Date

11/30/1965 (60 years ago)

hexagon head style, 3.906 inches minimum and 4.000 inches maximum fastener length, right-hand thread direction, 1.732 inches minimum and 1.750 inches maximum thread length, 2a thread class

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: 1.732 inches minimum and 1.750 inches maximum
Fastener Length: 3.906 inches minimum and 4.000 inches maximum
Head Style: hexagon
Head Height: 0.455 inches minimum and 0.483 inches maximum
Width Between Flats: 1.100 inches minimum and 1.125 inches maximum
Nominal Thread Diameter: 0.750 inches
Thread Quantity Per Inch: 10
Minimum Tensile Strength: 120000 pounds per square inch
Hardness Rating: 25.0 rockwell c minimum and 34.0 rockwell c maximum overall
Material: steel overall
Material Document And Classification: sae gr 5 assn std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: sae/ams qq-p-416 ty2cl3 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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-042-9777	No Name Available	07/01/1979
5305-00-874-2264	No Name Available	02/10/1967

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
110-0785	Hexagon Head Cap Screw
701-4711389-22	Hexagon Head Cap Screw
MS90725-195	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-939-7063?

The FSCG of the NSN 5305-00-939-7063 is 5305

Does the NSN 5305-00-939-7063 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-939-7063 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 5305-00-939-7063 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-939-7063 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 5305-00-939-7063 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Tue, Nov 30, 1965