5306-00-297-4275

Find complete technical information, availability, and procurement data for: 5306-00-297-4275
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-297-4275

Item Name Code

06666

Assigment Date

01/01/1963 (63 years ago)

3a thread class, 0.837 inches minimum and 0.887 inches maximum thread length, right-hand thread direction, bevel-conical head style, 2.047 inches minimum and 2.077 inches maximum 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: 3a
Thread Direction: right-hand
Thread Length: 0.837 inches minimum and 0.887 inches maximum
Fastener Length: 2.047 inches minimum and 2.077 inches maximum
Head Style: bevel-conical
Head Diameter: 0.740 inches minimum and 0.750 inches maximum
Head Height: 0.438 inches minimum and 0.534 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.438 inches
Width Across Flats: 0.3130 inches minimum and 0.3150 inches maximum
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
Special Features: hole in point
Material: steel comp e4340 or steel comp 6150 or steel comp 4140 or steel comp 8740 or steel comp 8735 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty 2 cl 2 fed spec single treatment response overall
Thread Series Designator: unf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-033-4767	No Name Available	01/01/1963
5306-00-614-3762	No Name Available	01/01/1963

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
MS20007-20	Internal Wrenching Bolt
S1610-21071-2	Internal Wrenching Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-297-4275?

The FSCG of the NSN 5306-00-297-4275 is 5306

Does the NSN 5306-00-297-4275 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-297-4275 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 5306-00-297-4275 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-00-297-4275 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 5306-00-297-4275 was assigned to the Federal Catalog?

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