5306-00-273-2546

Find complete technical information, availability, and procurement data for: 5306-00-273-2546
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-273-2546

Item Name Code

06676

Assigment Date

07/30/1973 (53 years ago)

A washer having a centrally located hole and two flat bearing surfaces which are not parallel.

0.358 inches minimum and 0.403 inches maximum thread length, 3a thread class, right-hand thread direction, 4.451 inches minimum and 4.466 inches maximum fastener length, round w/wrench flats 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: 0.358 inches minimum and 0.403 inches maximum
Fastener Length: 4.451 inches minimum and 4.466 inches maximum
Head Style: round w/wrench flats
Head Diameter: 0.766 inches nominal
Head Height: 0.065 inches minimum and 0.080 inches maximum
Width Between Flats: 0.688 inches nominal
Shank Unthreaded Hole Diameter: 0.076 inches minimum and 0.086 inches maximum first hole
Concentric Hole Depth: 3.670 inches minimum and 3.685 inches maximum
Concentric Hole Diameter: 0.483 inches minimum and 0.490 inches maximum
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 135000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center: 4.312 inches nominal first hole
Part Name Assigned By Controlling Agency: navy special project
Material: steel comp 630 overall
Material Document And Classification: ams 5643 assn std single material response overall
Style Designator: concentric hole unthreaded
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
1202648-101	Internally Relieved Body Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-273-2546?

The FSCG of the NSN 5306-00-273-2546 is 5306

Does the NSN 5306-00-273-2546 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-273-2546 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 5306-00-273-2546 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-00-273-2546 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 5306-00-273-2546 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Mon, Jul 30, 1973