5305-01-368-3230

Find complete technical information, availability, and procurement data for: 5305-01-368-3230
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-368-3230

Item Name Code

06657

Assigment Date

11/28/1992 (33 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

3a thread class, flat countersunk head style, 2.654 inches minimum and 2.684 inches maximum fastener length, 0.781 inches nominal thread length, 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: 0.781 inches nominal
Fastener Length: 2.654 inches minimum and 2.684 inches maximum
Head Style: flat countersunk
Head Diameter: 0.222 inches nominal
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.500 inches
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 180000 pounds per square inch
Hardness Rating: 40.0 rockwell c minimum and 43.0 rockwell c maximum
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Screw Material: steel comp 8740 or steel comp 4340
Screw Material Document And Classification: mil-s-6049 mil spec single material response or mil-s-5000 mil spec single material response
Screw Surface Treatment: cadmium
Bearing Surface Of Head Surface Finish: 32.0 microinches
Shank Surface Finish: 32.0 microinches
Thread Surface Finish: 32.0 microinches
Thread Series Designator: unjf

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
HT618-8-19	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-368-3230?

The FSCG of the NSN 5305-01-368-3230 is 5305

Does the NSN 5305-01-368-3230 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-368-3230 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 5305-01-368-3230 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-368-3230 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 5305-01-368-3230 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Sat, Nov 28, 1992