5306-01-166-4539

Find complete technical information, availability, and procurement data for: 5306-01-166-4539
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-166-4539

Item Name Code

06675

Assigment Date

11/12/1983 (42 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

hexagon head style, 2.070 inches nominal fastener length, 0.750 inches nominal 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: 0.750 inches nominal
Fastener Length: 2.070 inches nominal
Head Style: hexagon
Head Height: 0.140 inches minimum
Width Between Flats: 0.491 inches nominal
First Diameter From Head: 0.246 inches minimum and 0.249 inches maximum
Second Diameter From Head: 0.190 inches minimum and 0.195 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.180 inches minimum and 0.210 inches maximum
Distance From Largest Bearing Surface Of Head To End Of Second Diameter: 1.956 inches minimum and 2.016 inches maximum
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Externally Relieved Body Diameter Quantity: 2
Special Features: second dia from head rounded both sides 0.195 in. from full dia of 0.250 in.
Material: steel overall
Material Document And Classification: hr 650,fscm k0378 mfr ref single material response overall
Surface Treatment: silver overall
Surface Treatment Document And Classification: dtd 939,fscm k0378 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
BLT4613	Externally Relieved Body Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-166-4539?

The FSCG of the NSN 5306-01-166-4539 is 5306

Does the NSN 5306-01-166-4539 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-166-4539 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 5306-01-166-4539 contain precious materials?

Item contains silver.

Does NSN 5306-01-166-4539 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 5306-01-166-4539 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Sat, Nov 12, 1983