5306-00-550-3763

Find complete technical information, availability, and procurement data for: 5306-00-550-3763
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-550-3763

Item Name Code

06666

Assigment Date

01/01/1963 (63 years ago)

3a thread class, 0.787 inches minimum thread length, right-hand thread direction, 3.923 inches minimum and 3.953 inches maximum fastener length, bevel-conical 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: 0.787 inches minimum
Fastener Length: 3.923 inches minimum and 3.953 inches maximum
Head Style: bevel-conical
Head Diameter: 0.740 inches minimum and 0.750 inches maximum
Head Height: 0.438 inches nominal
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.438 inches
Width Across Flats: 0.313 inches minimum and 0.315 inches maximum
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 34.0 rockwell c minimum and 40.0 rockwell c maximum overall
Material: steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 overall
Material Document And Classification: mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6049 mil spec 5th material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416, type 2, class 2 fed spec all treatment responses overall
Thread Series Designator: unjf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5306-00-838-5038	No Name Available	06/25/1988

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
MS20007-50	Internal Wrenching Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-550-3763?

The FSCG of the NSN 5306-00-550-3763 is 5306

Does the NSN 5306-00-550-3763 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-550-3763 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 5306-00-550-3763 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-550-3763 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 5306-00-550-3763 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963