5305-01-186-3442

Find complete technical information, availability, and procurement data for: 5305-01-186-3442
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-186-3442

Item Name Code

18257

Assigment Date

08/09/1984 (41 years ago)

1.046 inches minimum and 1.093 inches maximum fastener length, hexagon head style, 3a thread class, right-hand thread direction, 0.984 inches minimum and 1.093 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: 0.984 inches minimum and 1.093 inches maximum
Fastener Length: 1.046 inches minimum and 1.093 inches maximum
Head Style: hexagon
Head Height: 0.105 inches minimum and 0.120 inches maximum
Width Between Flats: 0.305 inches minimum and 0.314 inches maximum
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum fastener
Material: steel comp 4340 fastener
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1801 professional/industrial association standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-01-051-0629	No Name Available	10/01/1992

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
NAS1801-3-17	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-186-3442?

The FSCG of the NSN 5305-01-186-3442 is 5305

Does the NSN 5305-01-186-3442 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-186-3442 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 5305-01-186-3442 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-186-3442 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 5305-01-186-3442 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Thu, Aug 9, 1984