HT181-5-16

View detailed technical data, stock status, and sourcing information for: HT181-5-16
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-468-7442

Item Name Code

29294

Assigment Date

10/20/1999 (26 years ago)

right-hand thread direction, 1.515 inches minimum and 1.562 inches maximum fastener length, 3a thread class, flat countersunk head style, 0.531 inches nominal thread 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: 0.531 inches nominal
Fastener Length: 1.515 inches minimum and 1.562 inches maximum
Head Style: flat countersunk
Head Diameter: 0.578 inches minimum and 0.633 inches maximum
Grip Diameter: 0.3110 inches minimum and 0.3120 inches maximum
Point Length: 0.060 inches nominal
Point Style: flat
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.3125 inches
Grip Length: 0.990 inches minimum and 1.010 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 10250 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: steel overall
Material Document And Classification: nas498 assn std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: nas672 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
HT181-5-16	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-468-7442?

The FSCG of the NSN 5305-01-468-7442 is 5305

Does the NSN 5305-01-468-7442 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-468-7442 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 5305-01-468-7442 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-468-7442 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 5305-01-468-7442 was assigned to the Federal Catalog?

It was assigned 26 years ago, on Wed, Oct 20, 1999