66-12063-5-4

View detailed technical data, stock status, and sourcing information for: 66-12063-5-4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-143-2718

Item Name Code

04905

Assigment Date

09/16/1968 (57 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than no. 10 (0.190 in.) (5 mm) and those items with an inserted drive head, use screw, shoulder. For items which are no. 10 (0.190 in.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use bolt, externally relieved body. Excludes:thumbscrew.

right-hand thread direction, crowned hexagon head style, 1.870 inches minimum thread length, 3a thread class, 6.270 inches nominal fastener 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: 1.870 inches minimum
Fastener Length: 6.270 inches nominal
Head Style: crowned hexagon
Head Height: 0.641 inches nominal
Width Between Flats: 1.802 inches minimum and 1.815 inches maximum
Shoulder Diameter: 1.3109 inches minimum and 1.3123 inches maximum first shoulder
Shoulder Length: 4.400 inches nominal first shoulder
Nominal Thread Diameter: 1.250 inches
Thread Quantity Per Inch: 12
Minimum Tensile Strength: 220000 pounds per square inch
Shoulder Shape: round first shoulder
Material: steel overall
Material Document And Classification: mil-s-8699 mil spec single material response or bms7-27 fscm 81205 mfr ref single material response or sps-m-107 fscm 80539 mfr ref single material response overall
Thread Series Designator: unf

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
66-12063-5-4	Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-143-2718?

The FSCG of the NSN 5306-00-143-2718 is 5306

Does the NSN 5306-00-143-2718 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-143-2718 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 5306-00-143-2718 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-143-2718 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 5306-00-143-2718 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Mon, Sep 16, 1968