MS24671-40

View detailed technical data, stock status, and sourcing information for: MS24671-40
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-106-6241

Item Name Code

16282

Assigment Date

08/14/1968 (58 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

0.734 inches minimum and 0.766 inches maximum fastener length, right-hand thread direction, 0.425 inches minimum and 0.568 inches maximum thread length, flat countersunk head style, 3a 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: 3a
Thread Direction: right-hand
Thread Length: 0.425 inches minimum and 0.568 inches maximum
Fastener Length: 0.734 inches minimum and 0.766 inches maximum
Head Style: flat countersunk
Head Diameter: 0.600 inches minimum and 0.656 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.312 inches
Width Across Flats: 0.188 inches nominal
Features Provided: casehardened
Thread Quantity Per Inch: 18
Minimum Tensile Strength: 80000 pounds per square inch
Minimum Yield Strength: 30000 pounds per square inch
Countersink Angle: 80.0 degrees minimum and 84.0 degrees maximum
Material: steel corrosion resisting or nickel alloy overall
Material Document And Classification: fed std 66,302 or 303 or 304 or 305 or 316 or equal to 16-18 mil spec single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 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
MS24671-40	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-106-6241?

The FSCG of the NSN 5305-00-106-6241 is 5305

Does the NSN 5305-00-106-6241 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-00-106-6241 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 5305-00-106-6241 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-106-6241 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 5305-00-106-6241 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, Aug 14, 1968