5306-01-274-0030

Find complete technical information, availability, and procurement data for: 5306-01-274-0030
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-274-0030

Item Name Code

15903

Assigment Date

03/04/1988 (38 years ago)

3a thread class, right-hand thread direction, 0.521 inches minimum and 0.571 inches maximum thread length, 3.035 inches minimum and 3.061 inches maximum fastener length, double hexagon extended washer head style

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: 0.521 inches minimum and 0.571 inches maximum
Fastener Length: 3.035 inches minimum and 3.061 inches maximum
Head Style: double hexagon extended washer
Head Height: 0.254 inches nominal
Width Between Flats: 0.304 inches minimum and 0.313 inches maximum
Extended Washer Diameter: 0.405 inches minimum and 0.475 inches maximum
Extended Washer Thickness: 0.042 inches nominal
Grip Diameter: 0.2485 inches minimum and 0.2495 inches maximum
Nominal Thread Diameter: 0.250 inches
Grip Length: 2.490 inches minimum and 2.510 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 260000 pounds per square inch
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Material: steel comp h11 overall
Material Document And Classification: stsb5003 cagec 72036 mfr ref single material response overall
Surface Treatment: nickel and cadmium and chromate overall
Surface Treatment Document And Classification: stsb5003 cagec 72036 mfr ref single treatment response 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
68487-4-040	Shear Bolt
68487-4-40	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-274-0030?

The FSCG of the NSN 5306-01-274-0030 is 5306

Does the NSN 5306-01-274-0030 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-274-0030 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 5306-01-274-0030 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-274-0030 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 5306-01-274-0030 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Fri, Mar 4, 1988