5306-01-321-6668

Find complete technical information, availability, and procurement data for: 5306-01-321-6668
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-321-6668

Item Name Code

04905

Assigment Date

06/21/1990 (36 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.

right-hand thread direction, 0.292 inches minimum and 0.302 inches maximum thread length, 2a thread class, hexagon head style, 0.524 inches nominal fastener length

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: 0.292 inches minimum and 0.302 inches maximum
Fastener Length: 0.524 inches nominal
Head Style: hexagon
Head Height: 0.320 inches nominal
Width Between Flats: 0.750 inches nominal
Shoulder Diameter: 0.621 inches minimum and 0.625 inches maximum first shoulder
Shoulder Length: 0.226 inches minimum and 0.230 inches maximum first shoulder
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 24
Shoulder Shape: round first shoulder
Material: copper alloy 360 overall
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
018-9500-00-0	Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-321-6668?

The FSCG of the NSN 5306-01-321-6668 is 5306

Does the NSN 5306-01-321-6668 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5306-01-321-6668 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 5306-01-321-6668 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-321-6668 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 5306-01-321-6668 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Thu, Jun 21, 1990