5305-01-256-3041

Find complete technical information, availability, and procurement data for: 5305-01-256-3041
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-256-3041

Item Name Code

16282

Assigment Date

06/03/1987 (39 years ago)

1.190 inches minimum and 1.250 inches maximum fastener length, right-hand thread direction, 3a thread class, flat countersunk head style, 0.785 inches minimum and 0.999 inches maximum 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: 0.785 inches minimum and 0.999 inches maximum
Fastener Length: 1.190 inches minimum and 1.250 inches maximum
Head Style: flat countersunk
Head Diameter: 0.872 inches minimum and 0.938 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.500 inches
Width Across Flats: 0.312 inches nominal
Thread Quantity Per Inch: 13
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 45.0 rockwell c maximum overall
Countersink Angle: 80.0 degrees minimum and 84.0 degrees maximum
Material: steel 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,type 2,class 3 fed spec single treatment response overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 4 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
MS24667-75L	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-256-3041?

The FSCG of the NSN 5305-01-256-3041 is 5305

Does the NSN 5305-01-256-3041 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-256-3041 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 5305-01-256-3041 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-256-3041 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 5305-01-256-3041 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Wed, Jun 3, 1987