HT403A6-17

View detailed technical data, stock status, and sourcing information for: HT403A6-17
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-764-0900

Item Name Code

06657

Assigment Date

01/01/1960 (66 years ago)

0.641 inches minimum thread length, 1.703 inches nominal fastener length, flat countersunk undercut head style, right-hand thread direction, 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: 0.641 inches minimum
Fastener Length: 1.703 inches nominal
Head Style: flat countersunk undercut
Head Diameter: 0.755 inches minimum and 0.760 inches maximum
Head Height: 0.114 inches minimum and 0.116 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.375 inches
Features Provided: o ring
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 180000 pounds per square inch
Countersink Angle: 100.0 degrees nominal
Screw Material: steel comp 4140 or steel comp 4340 or steel comp 8740
Screw Surface Treatment: cadmium
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
3M47-6-17	Machine Screw
54266-6-17	Machine Screw
HT403A6-17	Machine Screw
HT6UA17	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-764-0900?

The FSCG of the NSN 5305-00-764-0900 is 5305

Does the NSN 5305-00-764-0900 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-764-0900 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 5305-00-764-0900 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-764-0900 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 5305-00-764-0900 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960