5305-01-227-2778

Find complete technical information, availability, and procurement data for: 5305-01-227-2778
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-227-2778

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.

hexagon head style, right-hand thread direction, 2a thread class, 0.350 inches minimum and 0.380 inches maximum fastener length, 0.210 inches minimum and 0.240 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: 2a
Thread Direction: right-hand
Thread Length: 0.210 inches minimum and 0.240 inches maximum
Fastener Length: 0.350 inches minimum and 0.380 inches maximum
Head Style: hexagon
Head Height: 0.063 inches minimum and 0.073 inches maximum
Width Between Flats: 0.247 inches nominal
Locking Feature: patch overall
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Hardness Rating: 35.0 rockwell c minimum and 42.0 rockwell c maximum overall
Material: steel corrosion resisting overall
Thread Series Designator: unc

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
917AS2011	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-227-2778?

The FSCG of the NSN 5305-01-227-2778 is 5305

Does the NSN 5305-01-227-2778 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-227-2778 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 5305-01-227-2778 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-227-2778 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 5305-01-227-2778 was assigned to the Federal Catalog?

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