HT-4068-19A

View detailed technical data, stock status, and sourcing information for: HT-4068-19A
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-241-6320

Item Name Code

29294

Assigment Date

09/30/1986 (39 years ago)

1.642 inches minimum and 1.672 inches maximum fastener length, 3a thread class, 0.444 inches minimum and 0.494 inches maximum thread length, right-hand thread direction, oval countersunk undercut head style

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: 0.444 inches minimum and 0.494 inches maximum
Fastener Length: 1.642 inches minimum and 1.672 inches maximum
Head Style: oval countersunk undercut
Head Diameter: 0.389 inches minimum and 0.394 inches maximum
Grip Diameter: 0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.250 inches
Grip Length: 1.178 inches minimum and 1.198 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 125000 pounds per square inch
Countersink Angle: 100.0 degrees minimum and 101.0 degrees maximum
Material: steel comp xm-13 overall
Material Document And Classification: ams 5629 assn std single material response overall
Surface Treatment: aluminum and chromate overall
Surface Treatment Document And Classification: mil-c-83488 ty 2 cl 3 mil spec single treatment 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
11883-4L-19	Close Tolerance Screw
3M926-4L-19	Close Tolerance Screw
3M926-4L19	Close Tolerance Screw
HT-4068-19A	Close Tolerance Screw
HT-4068-4-19A	Close Tolerance Screw
HT4068-4-19A	Close Tolerance Screw
WC4068-4-19	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-241-6320?

The FSCG of the NSN 5305-01-241-6320 is 5305

Does the NSN 5305-01-241-6320 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-241-6320 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 5305-01-241-6320 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-241-6320 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 5305-01-241-6320 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Tue, Sep 30, 1986