5306-00-550-4398

Find complete technical information, availability, and procurement data for: 5306-00-550-4398
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-550-4398

Item Name Code

06665

Assigment Date

08/21/1967 (59 years ago)

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

3a thread class, 3.531 inches nominal distance from inside center of bend to bolt end, 1.000 inches minimum thread length, right-hand thread direction, 3.219 inches nominal inside distance between shanks

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: 1.000 inches minimum
Distance From Inside Center Of Bend To Bolt End: 3.531 inches nominal
Inside Distance Between Shanks: 3.219 inches nominal
Nominal Thread Diameter: 0.312 inches
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 160000 pounds per square inch
Part Name Assigned By Controlling Agency: navy special project
Material: steel comp 4130 overall
Surface Treatment: cadmium overall
Style Designator: round bend
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
2545540	U Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-550-4398?

The FSCG of the NSN 5306-00-550-4398 is 5306

Does the NSN 5306-00-550-4398 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-550-4398 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 5306-00-550-4398 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-00-550-4398 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 5306-00-550-4398 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Mon, Aug 21, 1967