HT4054-3-12A

View detailed technical data, stock status, and sourcing information for: HT4054-3-12A
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-169-2905

Item Name Code

29294

Assigment Date

01/06/1984 (42 years ago)

3a thread class, flat countersunk head style, right-hand thread direction, 1.073 inches minimum and 1.103 inches maximum fastener length, 0.313 inches minimum and 0.363 inches maximum thread 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: 0.313 inches minimum and 0.363 inches maximum
Fastener Length: 1.073 inches minimum and 1.103 inches maximum
Head Style: flat countersunk
Head Diameter: 0.339 inches minimum and 0.381 inches maximum
Grip Diameter: 0.1885 inches minimum and 0.1895 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.740 inches minimum and 0.760 inches maximum
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 180000 pounds per square inch
Hardness Rating: 39.0 rockwell c minimum and 43.0 rockwell c maximum overall
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: steel comp 8740 overall
Material Document And Classification: mil-s-6049 mil spec single material response overall
Surface Treatment: aluminum and chromate overall
Surface Treatment Document And Classification: mil-c-83488,type 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
HT4054-3-12A	Close Tolerance Screw
HT4054-3012A	Close Tolerance Screw
ST3M730-3L12	Close Tolerance Screw
STEM730-3L12	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-169-2905?

The FSCG of the NSN 5305-01-169-2905 is 5305

Does the NSN 5305-01-169-2905 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-169-2905 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 5305-01-169-2905 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-169-2905 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 5305-01-169-2905 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Fri, Jan 6, 1984