5306-00-285-1257

Find complete technical information, availability, and procurement data for: 5306-00-285-1257
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-285-1257

Item Name Code

06666

Assigment Date

01/01/1963 (63 years ago)

0.500 inches nominal thread length, bevel-conical head style, 3a thread class, 1.423 inches minimum and 1.453 inches maximum fastener length, right-hand thread direction

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: 0.500 inches nominal
Fastener Length: 1.423 inches minimum and 1.453 inches maximum
Head Style: bevel-conical
Head Diameter: 0.430 inches minimum and 0.438 inches maximum
Head Height: 0.226 inches nominal
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.219 inches minimum and 0.221 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Material: steel comp 4340 or steel comp 8740 or steel comp 6150 or steel overall
Material Document And Classification: mil-s-5000 cond a/a mil spec 1st material response or mil-s-6049 cond a/a mil spec 2nd material response or mil-s-8503 cond a/a mil spec 3rd material response overall
Surface Treatment: cadmium 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
144-23	Internal Wrenching Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-285-1257?

The FSCG of the NSN 5306-00-285-1257 is 5306

Does the NSN 5306-00-285-1257 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-285-1257 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 5306-00-285-1257 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-285-1257 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 5306-00-285-1257 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963