HT4027-3-12

View detailed technical data, stock status, and sourcing information for: HT4027-3-12
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part HT4027-3-12 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-521-9165

Item Name Code

29294

Assigment Date

07/10/2004 (22 years ago)

An item so designed to have a portion or all of its body transparent to permit the visual examination of the amount of liquid in a pressure vessel, boiler, evaporator, still, processing tank, reservoir, pipe tubing line, and the like, and/or to determine the flow to a lubricated part. It may also be provided with an element that changes colors to indicate changes in moisture content. The item may have a means for refilling. Excludes:indicator, liquid quantity and indicator, rate of flow.

1.141 inches minimum and 1.171 inches maximum fastener length, fillister countersunk head style, 3a thread class, 0.381 inches minimum and 0.431 inches maximum thread length, right-hand thread direction

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: 0.381 inches minimum and 0.431 inches maximum
Fastener Length: 1.141 inches minimum and 1.171 inches maximum
Head Style: fillister countersunk
Head Diameter: 0.2966 inches minimum and 0.3016 inches maximum
Head Height: 0.013 inches nominal
Grip Diameter: 0.1890 inches minimum and 0.1895 inches maximum
Internal Drive Style: high-torque
End Item Identification: fwd fuselage
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.740 inches minimum and 0.760 inches maximum
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: ams5662 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed 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
3929AS1227-3R12	Close Tolerance Screw
HT4027-3-12	Close Tolerance Screw
ST3M557-3-12	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-521-9165?

The FSCG of the NSN 5305-01-521-9165 is 5305

Does the NSN 5305-01-521-9165 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-01-521-9165 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 5305-01-521-9165 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-521-9165 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 5305-01-521-9165 was assigned to the Federal Catalog?

It was assigned 22 years ago, on Sat, Jul 10, 2004