HT4027-3-1

View detailed technical data, stock status, and sourcing information for: HT4027-3-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-514-0558

Item Name Code

29294

Assigment Date

10/15/2003 (22 years ago)

right-hand thread direction, oval countersunk head style, 3a thread class, 0.406 inches nominal thread length, 0.468 inches nominal 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: 0.406 inches nominal
Fastener Length: 0.468 inches nominal
Head Style: oval countersunk
Head Diameter: 0.2966 inches minimum and 0.3016 inches maximum
Grip Diameter: 0.1890 inches minimum and 0.1895 inches maximum
Internal Drive Style: high-torque
End Item Identification: wing aircraft
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.062 inches nominal
Thread Quantity Per Inch: 32
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: nickel alloy 718 overall
Material Document And Classification: ams 5662 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
11923-3-1	Close Tolerance Screw
11923-3D1M	Close Tolerance Screw
HT4027-3-1	Close Tolerance Screw
ST3M557-3-1	Close Tolerance Screw
ST3M557-3D1M	Close Tolerance Screw
WC4027-3-1	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-514-0558?

The FSCG of the NSN 5305-01-514-0558 is 5305

Does the NSN 5305-01-514-0558 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-01-514-0558 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 5305-01-514-0558 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-514-0558 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 5305-01-514-0558 was assigned to the Federal Catalog?

It was assigned 22 years ago, on Wed, Oct 15, 2003