5305-01-078-5072

Find complete technical information, availability, and procurement data for: 5305-01-078-5072
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-078-5072

Item Name Code

41756

Assigment Date

06/15/1979 (47 years ago)

0.950 inches minimum and 1.000 inches maximum fastener length, hexagon extended washer head style, 0.551 inches minimum and 0.562 inches maximum width between flats, 0.307 inches minimum and 0.358 inches maximum head height, 0.720 inches minimum and 0.780 inches maximum extended washer diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Fastener Length: 0.950 inches minimum and 1.000 inches maximum
Head Style: hexagon extended washer
Head Height: 0.307 inches minimum and 0.358 inches maximum
Width Between Flats: 0.551 inches minimum and 0.562 inches maximum
Extended Washer Diameter: 0.720 inches minimum and 0.780 inches maximum
Extended Washer Thickness: 0.037 inches minimum and 0.063 inches maximum
Internal Drive Style: w/o internal drive
Features Provided: casehardened
Minimum Tensile Strength: 150000 pounds per square inch
Hardness Rating: 32.0 rockwell c minimum and 38.0 rockwell c maximum overall
Nonmachine Thread Style: blunt (type tt)
Nonmachine Nominal Thread Diameter: 0.375 inches
Material: steel comp 4037 overall
Material Document And Classification: 66 fed std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty 2 cl2 fed spec single treatment response or mil-c-81562 ty 2 cl 2 mil spec single treatment response overall
Nondefinitive Spec/Std Data: b type

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
4701271-4	Tapping Screw
MS51871-15	Tapping Screw

FAQs

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

What is the FSCG of the NSN 5305-01-078-5072?

The FSCG of the NSN 5305-01-078-5072 is 5305

Does the NSN 5305-01-078-5072 have a Schedule B code assigned?

Yes, the Schedule B code is 7318140000

Does NSN 5305-01-078-5072 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 5305-01-078-5072 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-078-5072 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 5305-01-078-5072 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Fri, Jun 15, 1979