5306-01-658-2849

Find complete technical information, availability, and procurement data for: 5306-01-658-2849
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-658-2849

Item Name Code

15903

Assigment Date

09/21/2016 (9 years ago)

A relatively thin metallic item, having a concave or cupped contour, designed to effect its own seal by compression against the circumference of a hole. It is used as a blowout plug in boilers, engines, and the like to relieve the pressure created by the expansion of fluids caused by heat or freezing.

1.348 inches minimum and 1.378 inches maximum fastener length, 3a thread class, right-hand thread direction, dished hexagon head style, 0.425 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: 0.425 inches nominal
Fastener Length: 1.348 inches minimum and 1.378 inches maximum
Head Style: dished hexagon
Head Height: 0.125 inches minimum and 0.140 inches maximum
Width Between Flats: 0.429 inches minimum and 0.439 inches maximum
Grip Diameter: 0.248 inches minimum and 0.249 inches maximum
End Item Identification: b-2 bomber
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.928 inches minimum and 0.948 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Part Name Assigned By Controlling Agency: bolt hex head, close tolerance
Material: iron alloy 660 overall
Surface Treatment: cadmium and chromate 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
NAS6704-15	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-658-2849?

The FSCG of the NSN 5306-01-658-2849 is 5306

Does the NSN 5306-01-658-2849 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-658-2849 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 5306-01-658-2849 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-658-2849 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 5306-01-658-2849 was assigned to the Federal Catalog?

It was assigned 9 years ago, on Wed, Sep 21, 2016