2X26

View detailed technical data, stock status, and sourcing information for: 2X26

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2X26
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5306 Bolts
National Stock Number
5306-00-272-4221
Item Name Code
01847
Assigment Date
01/01/1963 (63 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.

right-hand thread direction, 2a thread class, hexagon head style, 0.500 inches minimum thread length, 0.625 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
2a
Thread Direction
right-hand
Thread Length
0.500 inches minimum
Fastener Length
0.625 inches nominal
Head Style
hexagon
Head Height
0.156 inches nominal
Width Between Flats
0.628 inches nominal
Hole Diameter
0.062 inches nominal
Nominal Thread Diameter
0.375 inches
Hole Quantity
1
Hole Type
drilled
Features Provided
finished head
Thread Quantity Per Inch
16
Hardness Rating
17.5 rockwell c minimum and 27.6 rockwell c maximum overall
Minimum Yield Strength
85000 pounds per square inch
Hole Configuration Style
hexagon flats
Material
steel comp 1035 overall
Material Document And Classification
sae assn std single material response overall
Thread Series Designator
unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-281-8229 No Name Available 04/18/1967

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
2066129 Machine Bolt
2X26 Machine Bolt
3KK807 Machine Bolt
56105R1 Machine Bolt
7534855 Machine Bolt
9409132 Machine Bolt
BB5227 Machine Bolt
S265D Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-272-4221?
The FSCG of the NSN 5306-00-272-4221 is 5306
Does the NSN 5306-00-272-4221 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-272-4221 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 5306-00-272-4221 contain precious materials?
Item does not contain precious metal.
Does NSN 5306-00-272-4221 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 5306-00-272-4221 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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