HT4027-10-12

View detailed technical data, stock status, and sourcing information for: HT4027-10-12
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-591-0150

Item Name Code

29294

Assigment Date

01/06/2011 (15 years ago)

A cover specifically designed for electronic communication equipment. It may be designed to protect against shock, vibration, dust and/or moisture.

right-hand thread direction, fillister countersunk head style, 1.688 inches minimum and 1.718 inches maximum fastener length, 0.953 inches nominal thread length, 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: 0.953 inches nominal
Fastener Length: 1.688 inches minimum and 1.718 inches maximum
Head Style: fillister countersunk
Head Diameter: 0.848 inches minimum and 0.925 inches maximum
Head Height: 0.026 inches maximum
Grip Diameter: 0.624 inches nominal
Point Length: 0.068 inches nominal
Point Style: flat
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.625 inches
Grip Length: 0.750 inches nominal
Thread Quantity Per Inch: 18
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Point Chamfer Angle: 45.0 degrees nominal
Part Name Assigned By Controlling Agency: screw-close tolerance, 100 deg countersunk, reduced head, hi-torque, non-magnetic cres (125 ksi fsu)
Material: nickel alloy 718 overall
Material Document And Classification: ams 5662 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: ams 2700 assn std 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
11923-10-12	Close Tolerance Screw
HT4027-10-12	Close Tolerance Screw
ST3M335-10-12	Close Tolerance Screw
ST3M557-10-12	Close Tolerance Screw
WC4027-10-12	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-591-0150?

The FSCG of the NSN 5305-01-591-0150 is 5305

Does the NSN 5305-01-591-0150 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-01-591-0150 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 5305-01-591-0150 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-591-0150 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 5305-01-591-0150 was assigned to the Federal Catalog?

It was assigned 15 years ago, on Thu, Jan 6, 2011