2990003

View detailed technical data, stock status, and sourcing information for: 2990003
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-321-8721

Item Name Code

06665

Assigment Date

06/25/1990 (36 years ago)

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

right-hand thread direction, 5.505 inches nominal distance from inside center of bend to bolt end, 1.380 inches nominal thread length, 4.500 inches nominal inside distance between shanks, 3a thread class

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: 1.380 inches nominal
Distance From Inside Center Of Bend To Bolt End: 5.505 inches nominal
Inside Distance Between Shanks: 4.500 inches nominal
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 16
Material: steel overall
Material Document And Classification: astm a108 assn std single material response overall
Style Designator: square bend
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
2990003	U Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-321-8721?

The FSCG of the NSN 5306-01-321-8721 is 5306

Does the NSN 5306-01-321-8721 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-321-8721 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 5306-01-321-8721 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-321-8721 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 5306-01-321-8721 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Mon, Jun 25, 1990