5305-00-421-4598

Find complete technical information, availability, and procurement data for: 5305-00-421-4598
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-421-4598

Item Name Code

06657

Assigment Date

12/09/1970 (55 years ago)

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The outer member of the assembly is modified to provide a shank. The inner member may be either a plain spherical bearing or a sleeve bearing. Excludes:bearing, plain, spherical and bearing, plain, self-aligning.

3a thread class, 0.819 inches minimum and 0.850 inches maximum thread length, 1.194 inches minimum and 1.225 inches maximum fastener length, flat countersunk head style, 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: 0.819 inches minimum and 0.850 inches maximum
Fastener Length: 1.194 inches minimum and 1.225 inches maximum
Head Style: flat countersunk
Head Diameter: 0.752 inches minimum and 0.762 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 24
Countersink Angle: 100.0 degrees nominal
Screw Material: steel
Screw Surface Treatment: cadmium
Special Features: second hole drilled in shank 90 deg apart
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
1128CSM46503-11	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-421-4598?

The FSCG of the NSN 5305-00-421-4598 is 5305

Does the NSN 5305-00-421-4598 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-421-4598 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 5305-00-421-4598 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-421-4598 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 5305-00-421-4598 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Dec 9, 1970