HT74028L8-7

View detailed technical data, stock status, and sourcing information for: HT74028L8-7
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-310-6421

Item Name Code

29294

Assigment Date

10/26/1973 (52 years ago)

3a thread class, oval countersunk head style, right-hand thread direction, 0.756 inches minimum and 0.806 inches maximum thread length, 1.204 inches minimum and 1.234 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: 0.756 inches minimum and 0.806 inches maximum
Fastener Length: 1.204 inches minimum and 1.234 inches maximum
Head Style: oval countersunk
Head Diameter: 0.747 inches minimum and 0.753 inches maximum
Grip Diameter: 0.4990 inches minimum and 0.4995 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.500 inches
Grip Length: 0.428 inches minimum and 0.448 inches maximum
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: titanium alloy overall
Material Document And Classification: ams4928 assn std single material response or ams4967 assn std single material response 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
11909V8L7-1	Close Tolerance Screw
HT4028L8-7	Close Tolerance Screw
HT74028L8-7	Close Tolerance Screw
ST3M466V8L7-1	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-00-310-6421?

The FSCG of the NSN 5305-00-310-6421 is 5305

Does the NSN 5305-00-310-6421 have a Schedule B code assigned?

Yes, the Schedule B code is 8109900000

Does NSN 5305-00-310-6421 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 5305-00-310-6421 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-310-6421 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 5305-00-310-6421 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Fri, Oct 26, 1973