5305-01-050-3779

Find complete technical information, availability, and procurement data for: 5305-01-050-3779
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-050-3779

Item Name Code

18257

Assigment Date

11/07/1977 (48 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.

0.525 inches minimum thread length, hexagon head style, right-hand thread direction, 0.550 inches minimum and 0.590 inches maximum fastener length, 2a thread class

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: 0.525 inches minimum
Fastener Length: 0.550 inches minimum and 0.590 inches maximum
Head Style: hexagon
Head Height: 0.140 inches minimum and 0.150 inches maximum
Width Between Flats: 0.430 inches minimum and 0.437 inches maximum
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Material: steel corrosion resisting 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
NU106	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-050-3779?

The FSCG of the NSN 5305-01-050-3779 is 5305

Does the NSN 5305-01-050-3779 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-050-3779 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 5305-01-050-3779 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-050-3779 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 5305-01-050-3779 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Mon, Nov 7, 1977