5306-01-274-7280

Find complete technical information, availability, and procurement data for: 5306-01-274-7280
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-274-7280

Item Name Code

04905

Assigment Date

03/11/1988 (38 years ago)

3.478 inches minimum and 3.508 inches maximum fastener length, double hexagon extended washer head style, 0.968 inches minimum and 1.018 inches maximum thread length, right-hand thread direction, 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: 0.968 inches minimum and 1.018 inches maximum
Fastener Length: 3.478 inches minimum and 3.508 inches maximum
Head Style: double hexagon extended washer
Head Height: 0.711 inches minimum and 0.721 inches maximum
Width Between Flats: 0.797 inches minimum and 0.812 inches maximum
Extended Washer Diameter: 1.220 inches minimum and 1.230 inches maximum
Extended Washer Thickness: 0.168 inches minimum and 0.188 inches maximum
Shoulder Diameter: 0.7792 inches minimum and 0.7802 inches maximum first shoulder
Shoulder Length: 2.490 inches minimum and 2.510 inches maximum first shoulder
Nominal Thread Diameter: 0.750 inches
Thread Quantity Per Inch: 16
Minimum Tensile Strength: 180000 pounds per square inch
Shoulder Shape: round first shoulder
Material: steel comp e4340 or steel comp 8740 overall
Material Document And Classification: mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 2nd material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty 2 fed spec 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
BACB30FD12-40Y	Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-274-7280?

The FSCG of the NSN 5306-01-274-7280 is 5306

Does the NSN 5306-01-274-7280 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-274-7280 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 5306-01-274-7280 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-274-7280 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 5306-01-274-7280 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Fri, Mar 11, 1988