5305-00-143-2198

Find complete technical information, availability, and procurement data for: 5305-00-143-2198
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-143-2198

Item Name Code

16282

Assigment Date

01/10/1973 (53 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

flat countersunk head style, 0.750 inches maximum thread length, right-hand thread direction, 3a thread class, 0.750 inches nominal 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: 0.750 inches maximum
Fastener Length: 0.750 inches nominal
Head Style: flat countersunk
Head Diameter: 0.263 inches minimum and 0.307 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.138 inches
Width Across Flats: 0.078 inches nominal
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 45.0 rockwell c maximum overall
Countersink Angle: 82.0 degrees nominal
Material: steel overall
Surface Treatment: oxide overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 4 type

FAQs

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

What is the FSCG of the NSN 5305-00-143-2198?

The FSCG of the NSN 5305-00-143-2198 is 5305

Does the NSN 5305-00-143-2198 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-143-2198 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 5305-00-143-2198 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-143-2198 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 5305-00-143-2198 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Wed, Jan 10, 1973