5306-01-381-4550

Find complete technical information, availability, and procurement data for: 5306-01-381-4550
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-381-4550

Item Name Code

15903

Assigment Date

10/15/1993 (32 years ago)

An item specifically designed to fit over the opening(s) of various items to provide mechanical protection and/or to prevent the entrance of foreign matter during painting, shipping, storage, or the like. It is not designed to retain fluids under pressure during equipment operation. Excludes:cover, electrical connector; hood, sealing, bottle; and stopper, bottle. For items designed to fit into or over the opening(s) of various items, see cap-plug, protective, dust and moisture seal.

right-hand thread direction, 4.819 inches nominal fastener length, double hexagon w/hole head style, 3a thread class, 0.694 inches nominal thread 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: 3a
Thread Direction: right-hand
Thread Length: 0.694 inches nominal
Fastener Length: 4.819 inches nominal
Head Style: double hexagon w/hole
Head Height: 0.435 inches nominal
Width Between Flats: 0.500 inches nominal
Extended Washer Diameter: 0.745 inches nominal
Grip Diameter: 0.4360 inches minimum and 0.4370 inches maximum
Nominal Thread Diameter: 0.438 inches
Grip Length: 4.125 inches nominal
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 180000 pounds per square inch
Hardness Rating: 39.0 rockwell c minimum and 43.0 rockwell c maximum overall
Material: steel comp 8735 overall
Surface Treatment: cadmium overall
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
NAS627-66	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-381-4550?

The FSCG of the NSN 5306-01-381-4550 is 5306

Does the NSN 5306-01-381-4550 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-381-4550 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 5306-01-381-4550 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-381-4550 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 5306-01-381-4550 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Fri, Oct 15, 1993