HT8171-8-82

View detailed technical data, stock status, and sourcing information for: HT8171-8-82
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-131-5857

Item Name Code

29294

Assigment Date

05/13/1982 (44 years ago)

right-hand thread direction, 0.745 inches minimum and 0.792 inches maximum thread length, 5.870 inches minimum and 5.917 inches maximum fastener length, 3a thread class, flat countersunk head style

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: 0.745 inches minimum and 0.792 inches maximum
Fastener Length: 5.870 inches minimum and 5.917 inches maximum
Head Style: flat countersunk
Head Diameter: 0.950 inches minimum and 1.017 inches maximum
Grip Diameter: 0.4982 inches minimum and 0.4991 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.500 inches
Grip Length: 5.125 inches nominal
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 220000 pounds per square inch
Hardness Rating: 46.0 rockwell c minimum and 50.0 rockwell c maximum overall
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Surface Finish: 32.0 microinches grip
Material: steel comp h11 overall
Material Document And Classification: ams6487 assn std single material response overall
Surface Treatment: cadmium or cadmium and chromate overall
Surface Treatment Document And Classification: nas672 assn std 1st treatment response or mil-c-8837,type 2,class 2 mil spec 2nd 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
106706H-8-A82	Close Tolerance Screw
GB510BC8-82	Close Tolerance Screw
GB510CE8-82	Close Tolerance Screw
H148-8-82	Close Tolerance Screw
HT8171-8-82	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-131-5857?

The FSCG of the NSN 5305-01-131-5857 is 5305

Does the NSN 5305-01-131-5857 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-131-5857 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 5305-01-131-5857 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-131-5857 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 5305-01-131-5857 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Thu, May 13, 1982