5381528

View detailed technical data, stock status, and sourcing information for: 5381528
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-227-2777

Item Name Code

16282

Assigment Date

03/01/1986 (40 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, pan no. 2 head style, 1.726 inches minimum and 1.781 inches maximum fastener length, right-hand thread direction, 1.234 inches minimum and 1.281 inches maximum 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: 1.234 inches minimum and 1.281 inches maximum
Fastener Length: 1.726 inches minimum and 1.781 inches maximum
Head Style: pan no. 2
Head Diameter: 0.735 inches minimum and 0.750 inches maximum
Head Height: 0.492 inches minimum and 0.500 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.500 inches
Width Across Flats: 0.371 inches minimum and 0.375 inches maximum
Minimum Tensile Strength: 225000 pounds per square inch
Hardness Rating: 51.0 rockwell c nominal overall
Thread Series Designator: unrc

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
5381528	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-227-2777?

The FSCG of the NSN 5305-01-227-2777 is 5305

Does NSN 5305-01-227-2777 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 5305-01-227-2777 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-227-2777 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 5305-01-227-2777 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Sat, Mar 1, 1986