593-8840774-120

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-727-8485

Item Name Code

18257

Assigment Date

03/20/2025 (7 months ago)

An item specifically designed to be placed around that portion of a connector,receptable,electrical or connector,plug,electrical which contains the facilities for attaching wires or cables. It may be designed to provide the nesessary accomodations between an electrical cable clamping device and an electrical connector shell or it may include the clamping device. It may be used for shielding against electrical interference, mechanical injury or physical damage due to environmental conditions.

0.750 inches nominal thread length, 2a thread class, hexagon head style, right-hand thread direction, 1.00 inches nominal fastener length

Characteristics

Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.750 inches nominal
Fastener Length: 1.00 inches nominal
Head Style: hexagon
Head Height: 0.150 inches minimum and 0.163 inches maximum
Width Between Flats: 0.428 inches minimum and 0.438 inches maximum
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 105000 pounds per square inch
Minimum Yield Strength: 65000 pounds per square inch
Part Name Assigned By Controlling Agency: hex cap screw
Material: steel comp 304 or steel comp 305 or steel comp 384 overall
Material Document And Classification: astm f593, s5 cold worked american society for testing and materials (astm) single material response overall
Thread Series Designator: unc
Specification/Standard Data: 81349-mil-dtl-1222j government specification

Related Parts & Specifications

This NSN includes a range of related parts designed for specific operational needs. Review each item below to find in-depth specifications, functional details, and guidance for correct application and replacement.

Part Number	Name
593-8840774-120	Hexagon Head Cap Screw
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FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 593-8840774-120

What is the FSCG of the NSN 5305-01-727-8485?

The FSCG of the NSN 5305-01-727-8485 is 5305

Does the NSN 5305-01-727-8485 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-727-8485 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 5305-01-727-8485 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-727-8485 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 5305-01-727-8485 was assigned to the Federal Catalog?

It was assigned 7 months ago, on Thu, Mar 20, 2025