5305-00-020-0381

Find complete technical information, availability, and procurement data for: 5305-00-020-0381
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-020-0381

Item Name Code

16282

Assigment Date

05/27/1968 (58 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.

3a thread class, 0.624 inches minimum thread length, 0.812 inches nominal fastener length, right-hand thread direction, flat chamfer 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: 0.624 inches minimum
Fastener Length: 0.812 inches nominal
Head Style: flat chamfer
Head Diameter: 0.375 inches nominal
Head Height: 0.205 inches nominal
Hole Diameter: 0.047 inches nominal
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.190 inches
Width Across Flats: 0.188 inches minimum and 0.190 inches maximum
Hole Quantity: 6
Hole Type: drilled
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 125000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 34.0 rockwell c maximum overall
Hole Configuration Style: round internal hexagon
Surface Finish: 63.0 microinches bearing surface of head
Surface Finish: 63.0 microinches grip
Material: steel comp 302 overall
Material Document And Classification: ams 5637 assn std single material response overall
Surface Treatment: passivate overall
Thread Series Designator: unf

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
STD3022-8	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-020-0381?

The FSCG of the NSN 5305-00-020-0381 is 5305

Does the NSN 5305-00-020-0381 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-020-0381 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 5305-00-020-0381 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-020-0381 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 5305-00-020-0381 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Mon, May 27, 1968