5305-01-246-5077

Find complete technical information, availability, and procurement data for: 5305-01-246-5077
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-246-5077

Item Name Code

06657

Assigment Date

12/13/1986 (39 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.

2a thread class, right-hand thread direction, 0.969 inches minimum and 1.000 inches maximum fastener length, 0.859 inches minimum and 0.890 inches maximum thread length, flat countersunk head style

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: 0.859 inches minimum and 0.890 inches maximum
Fastener Length: 0.969 inches minimum and 1.000 inches maximum
Head Style: flat countersunk
Head Diameter: 0.442 inches minimum and 0.507 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 1750 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Screw Material: copper alloy
Screw Material Document And Classification: qq-w-321 fed spec single material response or qq-b-626 fed spec single material response
Thread Series Designator: unc

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
MS24693-B98	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-246-5077?

The FSCG of the NSN 5305-01-246-5077 is 5305

Does the NSN 5305-01-246-5077 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-01-246-5077 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 5305-01-246-5077 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-246-5077 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 5305-01-246-5077 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Sat, Dec 13, 1986