5306-01-143-1750

Find complete technical information, availability, and procurement data for: 5306-01-143-1750
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-143-1750

Item Name Code

21861

Assigment Date

11/28/1982 (43 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 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 designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes:bolt, internal wrenching and screw, cap, socket head.

right-hand thread direction, 0.375 inches nominal head height, 5.295 inches nominal fastener length, 1.250 inches nominal head diameter, 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
Fastener Length: 5.295 inches nominal
Head Diameter: 1.250 inches nominal
Head Height: 0.375 inches nominal
Width Between Flats: 1.052 inches minimum and 1.064 inches maximum
Distance From Center Of Head To Center Of Shank: 2.648 inches nominal
Nominal Thread Diameter: 0.875 inches
Thread Quantity Per Inch: 14
Minimum Tensile Strength: 180000 pounds per square inch
Hardness Rating: 39.0 rockwell c minimum and 43.0 rockwell c maximum overall
Material: steel comp 4340 overall
Material Document And Classification: mil-s-5000,cond c mil spec single material response overall
Surface Treatment: silver overall
Surface Treatment Document And Classification: ss8487,fscm 78286 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
65122-11227-104	Eccentric Head Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-143-1750?

The FSCG of the NSN 5306-01-143-1750 is 5306

Does the NSN 5306-01-143-1750 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-143-1750 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 5306-01-143-1750 contain precious materials?

Item contains silver.

Does NSN 5306-01-143-1750 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 5306-01-143-1750 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Sun, Nov 28, 1982