TS3-2

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-685-2943

Item Name Code

06657

Assigment Date

01/01/1963 (63 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.

flat countersunk head style, right-hand thread direction, 3a thread class, 0.390 inches minimum and 0.432 inches maximum thread length, 0.515 inches minimum and 0.562 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: 0.390 inches minimum and 0.432 inches maximum
Fastener Length: 0.515 inches minimum and 0.562 inches maximum
Head Style: flat countersunk
Head Diameter: 0.375 inches minimum and 0.385 inches maximum
Internal Drive Style: torque set
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 100.0 degrees nominal
Screw Material: steel
Screw Surface Treatment: cadmium or chromate
Screw Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec all treatment responses
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
051-900-025	Machine Screw
1819884	Machine Screw
TS3-2	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-685-2943?

The FSCG of the NSN 5305-00-685-2943 is 5305

Does the NSN 5305-00-685-2943 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-685-2943 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 5305-00-685-2943 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-685-2943 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 5305-00-685-2943 was assigned to the Federal Catalog?

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