6D27

View detailed technical data, stock status, and sourcing information for: 6D27
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-350-3940

Item Name Code

01847

Assigment Date

01/01/1961 (65 years ago)

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

3a thread class, 0.620 inches nominal thread length, right-hand thread direction, 2.380 inches nominal fastener length, hexagon 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: 0.620 inches nominal
Fastener Length: 2.380 inches nominal
Head Style: hexagon
Head Height: 0.160 inches nominal
Width Between Flats: 0.431 inches minimum and 0.438 inches maximum
Shank Unthreaded Hole Diameter: 0.065 inches minimum and 0.072 inches maximum first hole
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.176 inches minimum and 0.190 inches maximum
Features Provided: unfinished head
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 127000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
Distance From Head Largest Bearing Surface To Shank Hole Center: 2.220 inches nominal first hole
Material: steel comp 3140 overall
Material Document And Classification: sae assn std single material response overall
Surface Treatment: zinc 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
6D27	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-350-3940?

The FSCG of the NSN 5306-00-350-3940 is 5306

Does the NSN 5306-00-350-3940 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-350-3940 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 5306-00-350-3940 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-350-3940 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 5306-00-350-3940 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961