HT8163-3-4

View detailed technical data, stock status, and sourcing information for: HT8163-3-4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-224-6693

Item Name Code

29294

Assigment Date

01/20/1986 (40 years ago)

A part basically circular in shape, designed to cover or seal the filler-neck or inlet opening of a fuel tank, radiator, oil reservoir, liquid storage tank or the like. It may be either permanently attached to the object for which it is designed or provided with a means of removal and replacement. Excludes:cap, vent, fuel storage tank; and cover (1), (as modified).

0.306 inches minimum and 0.356 inches maximum thread length, 3a thread class, flat countersunk head style, right-hand thread direction, 0.566 inches minimum and 0.596 inches maximum 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: 0.306 inches minimum and 0.356 inches maximum
Fastener Length: 0.566 inches minimum and 0.596 inches maximum
Head Style: flat countersunk
Head Diameter: 0.381 inches maximum
Grip Diameter: 0.1890 inches minimum and 0.1895 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.240 inches minimum and 0.260 inches maximum
Thread Quantity Per Inch: 32
Countersink Angle: 99.0 degrees minimum and 100.0 degrees maximum
Material: steel comp xm-13 overall
Material Document And Classification: ams 5629 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
HS4396-3T4	Close Tolerance Screw
HT295-3-4	Close Tolerance Screw
HT8163-3-4	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-224-6693?

The FSCG of the NSN 5305-01-224-6693 is 5305

Does the NSN 5305-01-224-6693 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-224-6693 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 5305-01-224-6693 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-224-6693 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 5305-01-224-6693 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Mon, Jan 20, 1986