66113-20

View detailed technical data, stock status, and sourcing information for: 66113-20
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-916-6989

Item Name Code

06657

Assigment Date

07/20/1966 (60 years ago)

0.235 inches minimum and 0.265 inches maximum fastener length, 0.173 inches minimum and 0.203 inches maximum thread length, 3a thread class, flat chamfer head style, 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: 0.173 inches minimum and 0.203 inches maximum
Fastener Length: 0.235 inches minimum and 0.265 inches maximum
Head Style: flat chamfer
Head Diameter: 0.213 inches minimum and 0.225 inches maximum
Head Height: 0.055 inches minimum and 0.063 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Minimum Tensile Strength: 160000 pounds per square inch
Screw Material: titanium alloy uns r54520
Screw Material Document And Classification: nas621 assn std single material response
Thread Series Designator: unc

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
112-0833-020	Machine Screw
66113-20	Machine Screw
HT8053-020	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-916-6989?

The FSCG of the NSN 5305-00-916-6989 is 5305

Does NSN 5305-00-916-6989 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 5305-00-916-6989 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-916-6989 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 5305-00-916-6989 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, Jul 20, 1966