5305-01-237-2682

Find complete technical information, availability, and procurement data for: 5305-01-237-2682
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-237-2682

Item Name Code

06657

Assigment Date

07/29/1986 (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.

flat countersunk head style, 0.797 inches minimum and 0.876 inches maximum thread length, 2.938 inches minimum and 2.985 inches maximum fastener length, 3a thread class, 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: 3a
Thread Direction: right-hand
Thread Length: 0.797 inches minimum and 0.876 inches maximum
Fastener Length: 2.938 inches minimum and 2.985 inches maximum
Head Style: flat countersunk
Head Diameter: 0.919 inches minimum and 1.017 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.500 inches
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 125000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Part Name Assigned By Controlling Agency: navy special project
Screw Material: steel comp 8740 or steel comp 8630
Screw Material Document And Classification: mil-s-6049 mil spec 1st material response or mil-s-6050 mil spec 2nd material response
Screw Surface Treatment: cadmium and chromate
Screw Surface Treatment Document And Classification: qq-p-416 ty 2 cl 3 fed spec single treatment response
Thread Series Designator: unf

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
MS24694-S310	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-237-2682?

The FSCG of the NSN 5305-01-237-2682 is 5305

Does the NSN 5305-01-237-2682 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-237-2682 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 5305-01-237-2682 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-237-2682 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 5305-01-237-2682 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Tue, Jul 29, 1986