5305-01-186-1207

Find complete technical information, availability, and procurement data for: 5305-01-186-1207
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-186-1207

Item Name Code

01852

Assigment Date

08/08/1984 (41 years ago)

A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes:screw, assembled washer.

flat chamfer head style, right-hand thread direction, 1.250 inches nominal fastener length, 0.560 inches nominal thread length, 3a 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: 3a
Thread Direction: right-hand
Thread Length: 0.560 inches nominal
Fastener Length: 1.250 inches nominal
Head Style: flat chamfer
Head Diameter: 0.179 inches nominal
Head Height: 0.110 inches nominal
First Diameter From Head: 0.187 inches nominal
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.690 inches nominal
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.112 inches
Width Across Flats: 0.094 inches nominal
Thread Quantity Per Inch: 40
Externally Relieved Body Diameter Quantity: 1
Special Features: internal hex drive in shank opposite head
Material: steel overall
Surface Treatment: cadmium 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
247163-1	Externally Relieved Body Screw
SVF55828	Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-01-186-1207?

The FSCG of the NSN 5305-01-186-1207 is 5305

Does the NSN 5305-01-186-1207 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-186-1207 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 5305-01-186-1207 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-186-1207 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 5305-01-186-1207 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Wed, Aug 8, 1984