5306-01-645-2289

Find complete technical information, availability, and procurement data for: 5306-01-645-2289
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-645-2289

Item Name Code

15903

Assigment Date

06/08/2015 (11 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

3a thread class, 0.345 inches nominal thread length, dished hexagon head style, 2.782 inches nominal 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: 0.345 inches nominal
Fastener Length: 2.782 inches nominal
Head Style: dished hexagon
Head Height: 0.110 inches minimum and 0.125 inches maximum
Width Between Flats: 0.367 inches minimum and 0.376 inches maximum
Grip Diameter: 0.189 inches minimum and 0.190 inches maximum
Nominal Thread Diameter: 0.190 inches
Grip Length: 2.427 inches minimum and 2.447 inches maximum
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Part Name Assigned By Controlling Agency: bolt, tension, hex head
Material: iron alloy 660 overall
Surface Treatment: cadmium and chromate 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
NAS6703-39	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-645-2289?

The FSCG of the NSN 5306-01-645-2289 is 5306

Does the NSN 5306-01-645-2289 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-645-2289 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 5306-01-645-2289 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-645-2289 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 5306-01-645-2289 was assigned to the Federal Catalog?

It was assigned 11 years ago, on Mon, Jun 8, 2015