1074251

View detailed technical data, stock status, and sourcing information for: 1074251
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-590-5986

Item Name Code

06666

Assigment Date

01/01/1963 (63 years ago)

Two or more separable transformer (as modified) on a common mounting or mounted on each other.

flat chamfer head style, 2a thread class, right-hand thread direction, 4.250 inches nominal fastener length, 0.219 inches nominal thread 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: 0.219 inches nominal
Fastener Length: 4.250 inches nominal
Head Style: flat chamfer
Head Diameter: 0.365 inches minimum and 0.375 inches maximum
Head Height: 0.244 inches minimum and 0.250 inches maximum
First Diameter From Head: 0.375 inches nominal
Second Diameter From Head: 0.177 inches minimum and 0.182 inches maximum
Third Diameter From Head: 0.250 inches nominal
Fourth Diameter From Head: 0.177 inches minimum and 0.182 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.219 inches nominal
Distance From Largest Bearing Surface Of Head To End Of Second Diameter: 1.281 inches nominal
Distance From Largest Bearing Surface Of Head To End Of Third Diameter: 1.406 inches nominal
Distance From Largest Bearing Surface Of Head To End Of Fourth Diameter: 4.281 inches nominal
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.188 inches nominal
Thread Quantity Per Inch: 24
Part Name Assigned By Controlling Agency: navy special project
Surface Treatment Document And Classification: mil-std-171 mil std single treatment response overall
Thread Series Designator: uns

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
1074251	Internal Wrenching Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-590-5986?

The FSCG of the NSN 5306-00-590-5986 is 5306

Does NSN 5306-00-590-5986 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 5306-00-590-5986 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-00-590-5986 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 5306-00-590-5986 was assigned to the Federal Catalog?

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