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

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Below is a list of NSNs that have been officially superseded by this NSN: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