5305-01-186-3440

Find complete technical information, availability, and procurement data for: 5305-01-186-3440
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-186-3440

Item Name Code

01852

Assigment Date

08/09/1984 (41 years ago)

0.550 inches minimum and 0.570 inches maximum fastener length, 2a thread class, flat countersunk undercut head style, 0.290 inches minimum and 0.330 inches maximum thread length, right-hand thread direction

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: 0.290 inches minimum and 0.330 inches maximum
Fastener Length: 0.550 inches minimum and 0.570 inches maximum
Head Style: flat countersunk undercut
Head Diameter: 0.279 inches nominal
Head Height: 0.060 inches nominal
First Diameter From Head: 0.088 inches minimum and 0.098 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.240 inches minimum and 0.260 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Countersink Angle: 100.0 degrees nominal
Externally Relieved Body Diameter Quantity: 1
Material: steel comp 302 or steel comp 303 or steel comp 304 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response 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
875-013-03208-1	Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-01-186-3440?

The FSCG of the NSN 5305-01-186-3440 is 5305

Does the NSN 5305-01-186-3440 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-186-3440 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 5305-01-186-3440 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-186-3440 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 5305-01-186-3440 was assigned to the Federal Catalog?

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