5306-01-266-8301

Find complete technical information, availability, and procurement data for: 5306-01-266-8301
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-266-8301

Item Name Code

01847

Assigment Date

10/31/1987 (38 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.

0.812 inches minimum and 0.872 inches maximum thread length, 2.577 inches minimum and 2.607 inches maximum fastener length, 3a thread class, right-hand thread direction, 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: 0.812 inches minimum and 0.872 inches maximum
Fastener Length: 2.577 inches minimum and 2.607 inches maximum
Head Style: hexagon
Head Height: 0.265 inches minimum and 0.297 inches maximum
Width Between Flats: 0.741 inches minimum and 0.751 inches maximum
Nominal Thread Diameter: 0.500 inches
Grip Length: 1.735 inches minimum and 1.765 inches maximum
Features Provided: finished head
Thread Quantity Per Inch: 20
Special Features: furnished with tab,washer,spacer; tab and washer cres per mil-s-6069 comp 301 cond a; spacer type 303se cond a; all parts passivated per qq-p-35
Material: iron alloy 660 overall
Material Document And Classification: ams 5732 assn std single material response or ams 5737 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec 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
BR2111-6281	Machine Bolt
ST26D58-6281	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-266-8301?

The FSCG of the NSN 5306-01-266-8301 is 5306

Does the NSN 5306-01-266-8301 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-266-8301 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 5306-01-266-8301 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-266-8301 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 5306-01-266-8301 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Sat, Oct 31, 1987