69287-204

View detailed technical data, stock status, and sourcing information for: 69287-204
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-208-7781

Item Name Code

06666

Assigment Date

05/20/1985 (41 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.

0.159 inches minimum and 0.164 inches maximum head height, 0.384 inches minimum and 0.412 inches maximum thread length, right-hand thread direction, 0.484 inches minimum and 0.516 inches maximum fastener length, 3a thread class

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: 0.384 inches minimum and 0.412 inches maximum
Fastener Length: 0.484 inches minimum and 0.516 inches maximum
Head Height: 0.159 inches minimum and 0.164 inches maximum
Width Between Flats: 0.262 inches minimum and 0.270 inches maximum
Hole Diameter: 0.044 inches minimum and 0.051 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.164 inches
Width Across Flats: 0.141 inches minimum and 0.143 inches maximum
Hole Quantity: 6
Hole Type: drilled
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 11500 pounds per square inch
Hardness Rating: 38.0 rockwell c minimum and 43.0 rockwell c maximum overall
Hole Configuration Style: round internal hexagon
Material: steel comp 410 overall
Material Document And Classification: ams5612 assn std single material response overall
Thread Series Designator: unjc

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
69287-204	Internal Wrenching Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-208-7781?

The FSCG of the NSN 5306-01-208-7781 is 5306

Does the NSN 5306-01-208-7781 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-208-7781 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 5306-01-208-7781 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-208-7781 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 5306-01-208-7781 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Mon, May 20, 1985